Hotwire 8786 TDM SDSL Termination Unit, with G.703 Interface, User's Guide

Hotwire 8786 TDM SDSL
Termination Unit
with G.703 Interface
User’s Guide
Document No. 8786-A2-GB20-20
February 2001
Copyright © 2001 Paradyne Corporation.
All rights reserved.
Printed in U.S.A.
Notice
This publication is protected by federal copyright law. No part of this publication may be copied or distributed,
transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form or
by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the express
written permission of Paradyne Corporation, 8545 126th Ave. N., Largo, FL 33773.
Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically
disclaims any implied warranties of merchantability or fitness for a particular purpose. Further, Paradyne Corporation
reserves the right to revise this publication and to make changes from time to time in the contents hereof without
obligation of Paradyne Corporation to notify any person of such revision or changes.
Changes and enhancements to the product and to the information herein will be documented and issued as a new
release to this manual.
Warranty, Sales, Service, and Training Information
Contact your local sales representative, service representative, or distributor directly for any help needed. For additional
information concerning warranty, sales, service, repair, installation, documentation, training, distributor locations, or
Paradyne worldwide office locations, use one of the following methods:
„
„
Internet: Visit the Paradyne World Wide Web site at www.paradyne.com. (Be sure to register your warranty
at www.paradyne.com/warranty.)
Telephone: Call our automated system to receive current information by fax or to speak with a company
representative.
— Within the U.S.A., call 1-800-870-2221
— Outside the U.S.A., call 1-727-530-2340
Document Feedback
We welcome your comments and suggestions about this document. Please mail them to Technical Publications,
Paradyne Corporation, 8545 126th Ave. N., Largo, FL 33773, or send e-mail to userdoc@paradyne.com. Include the
number and title of this document in your correspondence. Please include your name and phone number if you are
willing to provide additional clarification.
Trademarks
ACCULINK, COMSPHERE, FrameSaver, Hotwire, MVL, NextEDGE, OpenLane, and Performance Wizard are
registered trademarks of Paradyne Corporation. ReachDSL and TruePut are trademarks of Paradyne Corporation. All
other products and services mentioned herein are the trademarks, service marks, registered trademarks, or registered
service marks of their respective owners.
A
February 2001
8786-A2-GB20-20
! Important Safety Instructions
1. Read and follow all warning notices and instructions marked on the product or included in the manual.
2. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to
protect it from overheating, these slots and openings must not be blocked or covered.
3. Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power
cord.
4. Do not attempt to install or service this product yourself, as opening or removing covers may expose you to
dangerous high voltage points or other risks. Refer all installation and servicing to qualified service personnel.
5. General purpose cables are provided with this product. Special cables, which may be required by the regulatory
inspection authority for the installation site, are the responsibility of the customer.
6. When installed in the final configuration, the product must comply with the applicable Safety Standards and
regulatory requirements of the country in which it is installed. If necessary, consult with the appropriate regulatory
agencies and inspection authorities to ensure compliance.
7. A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings. If products
installed in separate buildings are interconnected, the voltage potential may cause a hazardous condition.
Consult a qualified electrical consultant to determine whether or not this phenomenon exists and, if necessary,
implement corrective action prior to interconnecting the products.
8. In addition, if the equipment is to be used with telecommunications circuits, take the following precautions:
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Never install telephone wiring during a lightning storm.
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Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
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Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the
network interface.
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Use caution when installing or modifying telephone lines.
—
Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of
electric shock from lightning.
—
Do not use the telephone to report a gas leak in the vicinity of the leak.
8786-A2-GB20-20
February 2001
B
EMI Notices
! UNITED STATES – EMI NOTICE:
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
The authority to operate this equipment is conditioned by the requirements that no modifications will be
made to the equipment unless the changes or modifications are expressly approved by Paradyne
Corporation.
! CANADA – EMI NOTICE:
This Class A digital apparatus meets all requirements of the Canadian interference-causing equipment
regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du règlement sur le matérial
brouilleur du Canada.
C
February 2001
8786-A2-GB20-20
Contents
About This Guide
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1
v
Document Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v
Product-Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vi
About the Hotwire 8786 Termination Unit
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2
Document Purpose and Intended Audience . . . . . . . . . . . . . . . . . . . .
TDM SDSL Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
Hotwire 8786 Termination Unit Features . . . . . . . . . . . . . . . . . . . . . . .
1-2
Network Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
SNMP Management Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
Management Information Base (MIB) Support . . . . . . . . . . . . . . .
1-4
SNMP Trap Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
Using the Asynchronous Terminal Interface
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8786-A2-GB20-20
User Interface Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
Management Serial Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
Logging In to the Hotwire DSLAM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2
Initiating an ATI Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2
Menu Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4
Screen Work Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5
Navigating the Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6
Keyboard Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6
Function Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7
Switching Between Screen Work Areas . . . . . . . . . . . . . . . . . . . .
2-8
Ending an ATI Session. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-9
Exiting From the DSLAM Session . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-9
February 2001
i
Contents
3
Initial Startup and Configuration
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4
3-1
Entering Identity Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2
Configuring the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3
Current and Default Factory Configurations . . . . . . . . . . . . . . . . .
3-4
Configuration Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5
Saving Configuration Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7
Downloading Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8
AutoRate Feature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10
Disabling AutoRate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10
Resetting AutoRate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-11
Restoring Access to the User Interface . . . . . . . . . . . . . . . . . . . . . . . .
3-12
Resetting the Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-12
Monitoring the Unit
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ii
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What to Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
Viewing System and Test Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
Health and Status Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
Self-Test Results Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
Test Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
Performance Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6
Viewing Network Error Statistics . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6
Viewing Network Performance Statistics . . . . . . . . . . . . . . . . . . . .
4-8
Viewing Current Network Performance . . . . . . . . . . . . . . . . . . . . .
4-10
Viewing G.703 Performance Statistics . . . . . . . . . . . . . . . . . . . . .
4-12
Viewing LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-14
Front Panel LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-15
February 2001
8786-A2-GB20-20
Contents
5
Testing
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6
Running Network Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2
Network Line Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3
G.703 Repeater Loopback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4
G.703 DTE Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-5
Network Remote Send Line Loopback . . . . . . . . . . . . . . . . . . . . .
5-6
Send and Monitor 511 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-7
Device Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8
Lamp Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8
Ending an Active Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-9
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
Configuring SNMP Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2
Device Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-1
ATI Access Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-1
Creating a Login. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2
Deleting a Login . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3
Controlling SNMP Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4
Assigning SNMP Community Names and Access Types . . . . . . .
7-4
Limiting SNMP Access through the IP Addresses of the
Managers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4
Selecting an IP Addressing Scheme . . . . . . . . . . . . . . . . . . . . . . . . . .
8-1
Configurations Not Running IP Conservative Software . . . . . . . . .
8-1
All Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-1
IP Addressing Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-2
Security
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8
5-1
Messages and Troubleshooting
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7
Accessing the Test Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IP Addressing
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8786-A2-GB20-20
February 2001
iii
Contents
A Configuration Options
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Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
Network Interface Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-2
G.703 Interface Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-4
Copy Port Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-7
System Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-8
Management and Communication Menu . . . . . . . . . . . . . . . . . . . . . . .
A-10
Telnet Session Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-10
General SNMP Management Options . . . . . . . . . . . . . . . . . . . . . .
A-12
SNMP NMS Security Options . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-14
SNMP Trap Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-16
B Standards Compliance for SNMP Traps
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SNMP Traps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
warmStart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
authenticationFailure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
linkUp and linkDown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-2
Enterprise-Specific Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-3
C Connector Pin Assignments
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Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-1
Front Panel 50-Pin DTE Connector Pinouts . . . . . . . . . . . . . . . . . . . .
C-1
D Technical Specifications
Glossary
Index
iv
February 2001
8786-A2-GB20-20
About This Guide
Document Purpose and Intended Audience
This guide contains information needed to set up, configure, and operate the
2-port Hotwire 8786 Time Division Multiplexer Symmetric Digital Subscriber Line
(TDM SDSL) Termination Unit, and is intended for installers and operators.
Document Summary
8786-A2-GB20-20
Section
Description
Chapter 1, About the Hotwire
8786 Termination Unit
Describes the Hotwire 8786 Termination Unit’s
features and capabilities.
Chapter 2, Using the
Asynchronous Terminal Interface
Provides instructions for accessing the user interface
and navigating the screens.
Chapter 3, Initial Startup and
Configuration
Provides procedures for setting up the user interface
and configuring the unit.
Chapter 4, Monitoring the Unit
Describes using the LEDs, status, and network
statistics to monitor the unit.
Chapter 5, Testing
Provides information about available tests and test
setup.
Chapter 6, Messages and
Troubleshooting
Provides information on SNMP traps, device
messages, and troubleshooting.
Chapter 7, Security
Presents procedures for creating a login, setting the
effective access levels, and controlling SNMP
access.
Chapter 8, IP Addressing
Provides information and examples regarding IP
addresses.
Appendix A, Configuration
Options
Contains all configuration options, default settings,
and possible settings.
Appendix B, Standards
Compliance for SNMP Traps
Contains SNMP trap compliance information.
Appendix C, Connector Pin
Assignments
Lists the pin assignments for the front panel DTE
connector.
February 2001
v
About This Guide
Section
Description
Appendix D, Technical
Specifications
Contains physical and regulatory specifications,
network and port interfaces, power consumption
values, and accessory part numbers.
Glossary
Defines acronyms and terms used in this document.
Index
Lists key terms, acronyms, concepts, and sections in
alphabetical order.
Product-Related Documents
Document Number
Document Title
7970-A2-GB20
Hotwire TDM SDSL Standalone Termination Units,
Models 7974, 7975, 7976, 7984, 7985, and 7985,
User’s Guide
8000-A2-GB22
Hotwire Management Communications Controller (MCC)
Card, IP Conservative, User’s Guide
8000-A2-GB29
Hotwire Management Communications Controller (MCC)
Card User’s Guide
8600-A2-GN20
Hotwire 8600 Digital Subscriber Line Access Multiplexer
(DSLAM) Installation Guide
8610-A2-GN10
Hotwire 8610 DSLAM Installation Instructions
8620-A2-GN20
Hotwire 8620 GranDSLAM Installation Guide
8786-A2-GZ40
Hotwire 8786 TDM SDSL Termination Unit,
with G.703 Interface, Installation Instructions
8800-A2-GN21
Hotwire 8800 Digital Subscriber Line Access Multiplexer
(DSLAM) Installation Guide
8810-A2-GN11
Hotwire 8810 DSLAM Installation Instructions
8820-A2-GN20
Hotwire 8820 GranDSLAM Installation Guide
Contact your sales or service representative to order additional product
documentation.
Paradyne documents are also available on the World Wide Web at
www.paradyne.com. Select Library → Technical Manuals.
vi
February 2001
8786-A2-GB20-20
About the Hotwire 8786
Termination Unit
1
TDM SDSL Overview
Hotwire Time Division Multiplexer Symmetric Digital Subscriber Line (TDM
SDSL) products maximize customer service areas by varying the DSL line rate.
This ensures symmetric DSL connectivity over a wide range of telephone line
distances and transmission line qualities.
TDM SDSL termination units can transport data at full (2.048 Mbps) or fractional
payload rates over a 4-wire, full-duplex circuit over varying distances based on the
conditions of the 4-wire loop. Examples include support for router, multiplexer and
PBX connections on 24 gauge (.5 mm) cable up to 21,000 feet (6.4 km).
The termination unit is equipped with an automatic configuration capability that
reduces the installation process to a simple plug-and-play procedure. Simply
connect the unit to the line and it automatically configures itself for the maximum
data rate supported by the local loop. The unit can also be configured for fixed line
speeds to achieve maximum distances.
8786-A2-GB20-20
February 2001
1-1
1. About the Hotwire 8786 Termination Unit
Hotwire 8786 Termination Unit Features
The 2-port Hotwire 8786 TDM SDSL Termination Unit is a circuit board mounted
in a Hotwire 8600 or 8800 Series Digital Subscriber Line Access Multiplexer
(DSLAM) and used to transport signals at high speeds over a twisted-pair
connection.
The Hotwire 8786 TDM SDSL Termination Unit offers these standard features:
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AutoRate Capability. Provides automatic configuration of line speed and data
rate upon connection.
Embedded Operations Channel (EOC). Provides remote management via
SNMP or Telnet session capability over the SDSL network.
Asynchronous Terminal Interface (ATI). Provides a menu-driven
VT100-compatible terminal interface for configuring and managing the unit
locally or remotely by Telnet session.
Local Management. Provides local management using the Management
Communications Card (MCC) with a:
— Terminal or PC via the Management Serial port of the DSLAM.
— Network Management System (NMS) via the Management MCC port of
the DSLAM.
— NMS connection through the 10BaseT port.
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Remote Management. Provides remote management:
— Out-of-band, using an external modem through the Management Serial
port of the DSLAM.
— Telnet over the EOC.
— Using SNMP or Telnet through the 10BaseT port or the Internal
Management Channel (IMC).
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1-2
Alarm Indication. Activates front panel LEDs.
Diagnostics. Provides the capability to diagnose device and network
problems and perform tests, including digital loopbacks, pattern tests, and
self-test.
Device and Test Monitoring. Provides the capability of tracking and
evaluating the unit’s operation, including health and status, and error-rate
monitoring.
February 2001
8786-A2-GB20-20
1. About the Hotwire 8786 Termination Unit
Network Configuration
Figure 1-1, Sample CO-to-CP Configuration, shows an E1 network application
using a Hotwire 8786 TDM SDSL Termination Unit for access concentration in a
central office (CO). A frame relay switch and a router are connected to partner
units through the termination unit, supporting an E1 host or router and frame relay
encapsulated or unframed data.
Customer Premises (CP)
G.703
CO Site
7986
Frame
Relay
Switch
E1 Host
(Frame Relay
Encapsulated
Data)
G.703
G.703
G.703
2.048 Mb
over
DSL
Router
7986
G.703
Router
(Frame Relay
Encapsulated
Data)
EIA-530-A
7985
Router
8786 Termination Unit
in 8600 Series DSLAM
Figure 1-1.
99-16416
Sample CO-to-CP Configuration
Figure 1-2, Sample Campus Configuration, shows termination units used to
distribute T1 lines over a campus.
G.703,
DSX-1,
or V.35
G.703
Multiple
DSL Lines
E3
Multiplexer
Building B
Building A
Routers
Figure 1-2.
8786-A2-GB20-20
01-16939
Sample Campus Configuration
February 2001
1-3
1. About the Hotwire 8786 Termination Unit
SNMP Management Capabilities
The unit supports SNMP Version 1, and can be managed by any industry-standard
SNMP manager and accessed using SNMP by external SNMP managers.
Management Information Base (MIB) Support
For a detailed description of supported MIBs, visit Paradyne’s Web site at
www.paradyne.com. The following MIBs are supported:
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MIB II (RFC 1213 and RFC 1573) – Defines the general objects for use with a
network management protocol in TCP/IP internets and provides general
information about the unit. MIB II is backward-compatible with MIB I.
DS1/E1 MIB (RFC 1406) – Reports the performance status of the G.703
interface and supports the features found on the G.703 Performance Statistics
screen.
Enterprise MIB – Supports configuration, status, statistics, and tests.
SNMP Trap Support
The Hotwire 8786 Termination Unit supports traps as defined in RFC 1215. They
may include variable-bindings specified in the following MIBs:
„
„
MIB II (RFC 1573) – Defines the general objects for use with a network
management protocol in TCP/IP internets and provides general information
about the unit. MIB II is backward-compatible with MIB I.
Enterprise MIB – Supports configuration, status, statistics, and tests.
Operation, Maintenance
and Provisioning Center
Network
8786
A
RT
P
4
2
1
3
3
2
4
8715
SDSL
4
3
4
2
RM
DC PWR
ALM
2
1
EM
AL
4
3
1
2
m
Tes
t
FAN
1
RT
P
4
DS
LINL PO
K-U
OK
3
.
.
STACK
POSITION
DS
LINL PO
K-U
ST
Alr
..
DS
LINL PO
K-U
70
1
B
Data
3
RT
P
SY
G.
RM
EM
AL
m
Tes
t
3
2
Alr
4 5 6
3
2
A
1
OK
3
ST
70
AL
m
Tes
t
Alr
DC FUSES
T4A, MIN. 48V
48VDC CLASS 2 OR
LIMITED PWR SOURCE
3
RM
G.
SY
B A B
AC
INPUT
2
OK
3
ST
70
EM
7986
RTN
SY
48V
A
EOC
1
AC
T5A
250V
G.
Router
SNMP NMS
TDM SDSL
G.703
1
B
IN
OUT
SERIAL
MCC
1
2
3
8600 Series Ethernet
DSLAM
Interface
Voice
Ethernet
LAN
01-16148-02
1-4
February 2001
8786-A2-GB20-20
Using the Asynchronous
Terminal Interface
2
User Interface Access
You can communicate with the asynchronous terminal interface (ATI) using one of
the following methods:
„
„
„
Direct connection through the Management Serial port of the DSLAM (locally
or via an external modem).
Telnet session using a Network Management System (NMS) connected to a
LAN port on the DSLAM.
Telnet session through the Embedded Operations Channel (EOC).
NOTE:
Only one ATI session can be active at a time, and another user’s session
cannot be forced to end. To automatically log out a user due to inactivity,
enable the Inactivity Timeout option (refer to Table A-5, Telnet Session
Options, in Appendix A, Configuration Options).
Security can limit ATI access several ways. To set up security or a login ID, refer to
Chapter 7, Security.
Management Serial Port Settings
Ensure that the device you connect communicates using these settings:
„
„
„
„
„
Data rate set to 9.6 kbps
Character length set to 8
Parity set to None
Stop Bits set to 1
Flow Control to None
Refer to the installation document for your DSLAM.
8786-A2-GB20-20
February 2001
2-1
2. Using the Asynchronous Terminal Interface
Logging In to the Hotwire DSLAM
You can log in to the Hotwire DSLAM system using either a local
VT100-compatible terminal or a remote Telnet connection.
After you enter your user ID and password, the system displays the Hotwire
Chassis Main Menu. See your Management Communications Controller (MCC)
documentation for information about selecting the unit from the MCC card
selection screen.
Initiating an ATI Session
The Main Menu screen is displayed unless a login ID and password is required or
the ATI is already in use.
If the ATI is already in use, the message connection refused is sent to the
terminal attempting Telnet access.
If security is enabled and Telnet is used to access the terminal unit directly (you did
not log in through the MCC), the system prompts you for a login ID and password.
Login
Slot: 2
Hotwire
Model: 8786
LOGIN
Login ID:
Enter Password:
-------------------------------------------------------------------------------Ctrl-a to access these functions
Exit
If you enter an invalid login ID and password three times, the Telnet session closes
or the terminal connection returns to an idle state. Refer to Chapter 7, Security.
2-2
February 2001
8786-A2-GB20-20
2. Using the Asynchronous Terminal Interface
After you enter a valid login ID and password, the Main Menu appears.
main
Slot: 4
Access Level: Administrator
Hotwire
Model 8786
MAIN MENU
Status
Test
Configuration
Control
Screen
Area
Function Keys
and
Message Area
-------------------------------------------------------------------------------Ctrl-a to access these functions
Exit
Entry to all of the termination unit’s tasks begins at the Main Menu screen. The
four branches of the Main Menu are as follows:
Select . . .
To . . .
Status
View system status, diagnostic test results, statistics, LED status, and
device identity information.
Test
Select, start, stop and cancel tests for the unit’s interfaces.
Configuration Display and edit the configuration options.
Control
Change the device identity, administer logins, download new firmware, or
initiate a power-up reset of the unit.
What appears on the screens depends on the:
„
„
„
8786-A2-GB20-20
Current configuration – How your unit is currently configured.
Effective security access level – An access level that is typically set by the
system administrator for each interface and each user.
Data selection criteria – What you entered in previous screens.
February 2001
2-3
2. Using the Asynchronous Terminal Interface
Menu Hierarchy
The following illustration shows the paths to the different ATI screens.
Main
Status
Test
Configuration
System and Performance Display Identity
Test Status Statistics
LEDs
Current
Network
Network
Performance
Performance
Statistics
G.703
Network
Statistics
Error
Statistics
Control
Change Download
Reset
Identity
Code
AutoRate
Reset
Administer
Apply
Logins
Download Device
Current Configuration
Configuration Loader
Network & Device
G.703 Tests Tests
Default
Factory
Configuration
Abort All
Tests
Network
G.703
Copy
Ports
System
Options
Management
and
Communication
Telnet General SNMP SNMP NMS SNMP
Session Management
Security
Traps
01-16044-03
2-4
February 2001
8786-A2-GB20-20
2. Using the Asynchronous Terminal Interface
Screen Work Areas
There are two user work areas:
„
Screen area – This is the area above the dotted line that provides the menu
path, menus, and input field selections.
The menu path appears on the first line of the screen. In this manual, the
menu path is presented as a menu selection sequence:
Main Menu → Configuration → Current Configuration → Network
„
Menu
Path
Function keys and message area – This is the area below the dotted line
that lists function keys specific to the screen, field value choices, and system
messages.
main/config/network
Slot: 2
Port: 1
Hotwire
Model: 8786
NETWORK INTERFACE OPTIONS
Margin Threshold:
Excessive Error Rate Threshold:
AutoRate
DSL Line rate
–3db
1E–5
Disable
2064 Kbps
Input
Fields
Circuit Identifier:
Function
Keys
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
Select: 1E–4, 1E–5, 1E–6, 1E–7, 1E–8, 1E–9
LOS at Net, Pt n
Field Value
Choices
8786-A2-GB20-20
Clear
System
Messages
February 2001
2-5
2. Using the Asynchronous Terminal Interface
Navigating the Screens
You can navigate the screens by:
„
„
„
Using keyboard keys
Using screen function keys
Switching between the two screen work areas
Keyboard Keys
Use the following keyboard keys to navigate within the screen.
Press . . .
To . . .
Ctrl-a
Move cursor between the screen area and the screen function
keys area below the dotted line at the bottom of the screen.
Esc
Return to the previous screen.
Tab
Move cursor to the next field on the screen.
Backspace
Move cursor to the previous field on the screen.
Enter
Accept entry or display valid options on the last row of the screen
when pressed before entering data or after entering invalid data.
Ctrl-k
Tab backwards (move cursor one field to the previous field).
Spacebar
Select the next valid value for the field.
Delete (Del)
Delete character that the cursor is on.
Up Arrow or Ctrl-u
Move cursor up one field within a column on the same screen.
Down Arrow or Ctrl-d
Move cursor down one field within a column on the same screen.
Right Arrow or Ctrl-f
Move cursor one character to the right if in edit mode.
Left Arrow or Ctrl-b
Move cursor one character to the left if in edit mode.
Ctrl-l
Redraw the screen display, clearing information typed in but not
yet entered.
Procedure
To make a menu or field selection:
1. Press the Tab or right arrow key to position the cursor on a menu or field
selection. Each selection is highlighted as you press the key to move the
cursor from position to position.
2. Press Enter. The selected menu or screen appears.
3. Continue Steps 1 and 2 until you reach the screen you want.
2-6
February 2001
8786-A2-GB20-20
2. Using the Asynchronous Terminal Interface
The current setting or value appears to the right of the field name. You can enter
information into a selected field by:
„
„
Typing in the first letter(s) of a field value or command.
Switching from the screen area to the function key and message area below
the dotted line, and selecting a function key.
If a field is blank and the Field Value Choices display valid selections, press the
spacebar; the first valid value for the field will appear in the field. Continue
pressing the spacebar to scroll through other valid values. Press Enter to select
the value.
Function Keys
All screen function keys located below the dotted line operate the same way
(uppercase or lowercase) throughout the screens.
For the screen
function . . .
Select . . . And press Enter to . . .
8786-A2-GB20-20
ClrFar
F or f
Clear far-end network statistics and refresh the screen.
ClrNear
N or n
Clear near-end network statistics and refresh the screen.
ClrStats
S or s
Clear G.703 statistics and refresh the screen.
Delete
L or l
Delete data.
Exit
E or e
Terminate the asynchronous terminal session.
MainMenu
M or m
Return to the Main Menu screen.
New
N or n
Enter new data.
PgDn
D or d
Display the next page, or group of entries.
PgUp
U or u
Display the previous page, or group of entries.
ResetMon
R or r
Reset an active Monitor 511 test counter to zero.
Save
S or s
Save information.
February 2001
2-7
2. Using the Asynchronous Terminal Interface
Switching Between Screen Work Areas
Select Ctrl-a to switch between the two screen areas.
Procedure
To access the function key and message area below the dotted line:
1. Press Ctrl-a to switch from the screen area to the function keys.
2. Enter the designated (underlined) character for the function key or press the
Tab key until you reach the desired function key.
Example:
To save the current options, type s or S (Save).
3. Press Enter. The function is performed.
4. To return to the screen area above the dotted line, press Ctrl-a again.
main/config/network
Slot: 2
Port: 1
Hotwire
Model: 8786
NETWORK INTERFACE OPTIONS
Margin Threshold:
Excessive Error Rate Threshold:
AutoRate
DSL Line rate
Circuit Identifier:
–3db
1E–5
Disable
2064
Clear
-------------------------------------------------------------------------------Exit
Ctrl-a to access these functions, ESC for previous menu
MainMenu
2-8
February 2001
8786-A2-GB20-20
2. Using the Asynchronous Terminal Interface
Ending an ATI Session
Use the Exit function key from any screen to terminate the session.
Procedure
To end a session with the asynchronous terminal interface:
1. Press Ctrl-a to go to the function keys.
2. Save changes if required. A confirmation message appears if you have made
but not saved changes to your configuration.
3. Tab to Exit (or type e or E) and press Enter. If you have accessed the card
through the MCC, the Hotwire Chassis Card Selection menu appears.
Exiting From the DSLAM Session
You can manually log out of the system or, after five minutes of inactivity, the
system will automatically log you out if the inactivity time-out option is enabled.
Procedure
To manually exit from the Hotwire DSLAM system:
1. Return to the Hotwire Chassis Main Menu by selecting Exit from either the
Hotwire – MCC menu or the Hotwire – DSL menu.
The Hotwire Card Selection menu appears.
2. Press Ctrl-z.
The Hotwire Chassis Main Menu appears.
3. From the Hotwire Chassis Main Menu, select Logout.
The system exits from the current login session on the Hotwire DSLAM.
8786-A2-GB20-20
February 2001
2-9
2. Using the Asynchronous Terminal Interface
2-10
February 2001
8786-A2-GB20-20
Initial Startup and Configuration
3
Overview
This chapter provides instructions on how to access the unit for the first time,
configure it, download firmware, disable or reset the AutoRate feature, restore
access to the ATI, and reset the unit. These procedures include:
„
„
Entering Identity Information on page 3-2
Configuring the Unit on page 3-3
— Current and Default Factory Configurations on page 3-4
— Configuration Loader on page 3-5
„
„
„
Saving Configuration Changes on page 3-7
Downloading Firmware on page 3-8
AutoRate Feature on page 3-10
— Disabling AutoRate on page 3-10
— Resetting AutoRate on page 3-11
„
„
8786-A2-GB20-20
Restoring Access to the User Interface on page 3-12
Resetting the Unit on page 3-12
February 2001
3-1
3. Initial Startup and Configuration
Entering Identity Information
After accessing the unit for the first time, use the Change Identity screen to
determine SNMP administrative system information that will be displayed on the
Identity screen.
To access the Identity screen, follow this menu selection sequence:
Main Menu → Control → Change Identity
main/control/change_identity
Slot: 2
Hotwire
Model: 8786
IDENTITY
System Name:
System Location:
System Contact:
lllQJ98-001
Bldg. A412, 2nd Floor, Left cabinet
C. Parker 800-727-2396 pager 888-555-1212
Clear
Clear
Clear
-------------------------------------------------------------------------------Exit
Ctrl-a to access these functions, ESC for previous menu
MainMenu
Save
The three System entry fields are alphanumeric and provide up to 128 characters
per field. The SNMP System entry fields are:
„
„
„
System Name: The general SNMP system name.
System Location: The physical location of the SNMP-managed device.
System Contact: Identification information, such as contact name, phone
number, or mailing address.
Valid entry values are any printable ASCII character. ASCII printable characters
include:
„
„
„
„
Numeric 0–9
Upper- or lowercase A–Z
Space
All ASCII symbols except the caret (^)
Select Clear to reset a field to a null value.
3-2
February 2001
8786-A2-GB20-20
3. Initial Startup and Configuration
Procedure
To change Identity information:
1. Position the cursor in the System Name field. Enter a name unique in your
network to identify the SNMP managed node (or unit).
2. Position the cursor in the System Location field. Enter the physical location of
the unit.
3. Position the cursor in the System Contact field. Enter the name and contact
information for the person responsible for the unit.
4. Press Ctrl-a to switch to the function keys area below the dotted line.
5. Select Save and press Enter.
Configuring the Unit
Configuration option settings determine how the termination unit operates. Use the
Configuration menus to select, display, or change configuration option settings.
The unit is shipped with factory settings that match the options and settings in the
Default Factory Configuration area.
To display configuration options, follow this menu selection sequence:
Main Menu → Configuration (Load Configuration From)
main/configuration
Slot: 2
Hotwire
Model: 8786
LOAD CONFIGURATION FROM:
Current Configuration
Configuration Loader
Default Factory Configuration
-------------------------------------------------------------------------------Exit
Ctrl-a to access these functions, ESC for previous menu
MainMenu
8786-A2-GB20-20
February 2001
3-3
3. Initial Startup and Configuration
Make a selection by placing the cursor at your choice and pressing Enter.
If you select . . .
Then . . .
Current
Configuration
The selected configuration option set is loaded and the
Configuration Edit/Display menu appears. This is the unit’s
currently active configuration.
Configuration
Loader
The Configuration Loader screen is displayed allowing you to
upload or download configurations from a TFTP server.
Default Factory
Configuration
The factory-set configuration options are loaded and the
Configuration Edit/Display menu appears. This is a read-only
configuration area.
Current and Default Factory Configurations
The Configuration Edit/Display screen appears when the current or default
configuration is loaded. To access the Configuration Edit/Display screen, follow
this menu selection sequence:
Main Menu → Configuration → Current Configuration
– or –
Main Menu → Configuration → Default Factory Configuration
main/config/edit
Slot: 2
Hotwire
Model: 8786
CONFIGURATION EDIT/DISPLAY
Network
G.703
Copy Ports
System Options
Management and Communication
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
Load Default Factory Configuration to reset the unit’s configuration to its original
factory-set configuration to restore access to the ATI when the unit has been
misconfigured.
In the menu selection sequences contained in this manual, Current Configuration
is assumed and shown.
3-4
February 2001
8786-A2-GB20-20
3. Initial Startup and Configuration
See Appendix A, Configuration Options, for a list and explanation of the
configuration options available.
Select . . .
To Access the . . .
To Configure the . . .
Network
Network Interface Options (Table A-1)
DSL network interface
Ports 1–2.
G.703
G.703 Interface Options (Table A-2)
G.703 interface
Ports 1–2.
Copy Ports
Copy Ports Options (Table A-3)
DSL network and G.703
interface ports by copying
options from port to port.
System Options System Options (Table A-4)
Management
and
Communication
„
„
„
„
Telnet Session Options (Table A-5)
General SNMP Management Options
(Table A-6)
General system options of
the unit.
Management support of
the unit through SNMP
and Telnet.
SNMP NMS Security Options
(Table A-7)
SNMP Traps Options (Table A-8)
Configuration Loader
The Configuration Loader screen allows you to upload configurations to and
download configurations from a TFTP server. To access the Configuration Loader
screen, follow this menu selection sequence:
Main Menu → Configuration → Configuration Loader
main/config/config_loader
Slot: 2
Hotwire
Model: 8786
CONFIGURATION LOADER
Image File Name:
TFTP Server IP Address: 000.000.000.000
TFTP Transfer Direction: Download from Server
Clear
Clear
Start Transfer: Yes
Packets Sent:
Packets Received:
Bytes Sent:
Bytes Received:
Transfer Status:
0000000
0000000
0000000
0000000
Transfer Pending
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
8786-A2-GB20-20
February 2001
3-5
3. Initial Startup and Configuration
Procedure
To upload or download a configuration:
1. Position the cursor in the Image File Name field. Type the name of the file to
be downloaded, or the name to be used for the file to be uploaded.
The file name may be a regular path name expression of directory names
separated by a forward slash (/) ending with the file name. The total path name
length can be up to 128 characters.
— DOS machine: If the TFTP server is hosted by a DOS machine, then
directory and filenames must consist of eight or less characters with an
optional suffix of up to three characters. The system will automatically
upload the configuration file and create directories and filenames, as
needed.
— UNIX machine: If your server is hosted by a UNIX machine, the
configuration file you name must already exist. It will not be created on the
UNIX system by the TFTP server. It is critical that you work with your
system administrator to plan the naming conventions for directories,
filenames, and permissions so that anyone using the system has read and
write permissions.
2. Position the cursor in the TFTP Server IP Address field. Enter the TFTP server
IP address.
The first three digits of the IP address cannot be 000 or greater than 223.
3. Position the cursor in the TFTP Transfer Direction field. Use the spacebar to
select Download from Server or Upload to Server.
4. Position the cursor in the Destination field. Use the spacebar to select a
network destination for the TFTP server. Select DSL if the TFTP server
destination is the DSL link port or IMC (in-band management channel) if the
TFTP destination is the Management port of the MCC.
5. Position the cursor at the Start Transfer field. Use the spacebar to select Yes.
Press Enter.
When the data transfer is complete, the Transfer Status field changes to
Completed successfully.
6. Position the cursor at the Activate new configuration? prompt and
select Yes to activate a new downloaded configuration. Press Enter.
NOTE:
The following option settings are not changed:
— DSL Mode and Telnet Session configuration options
— Peer IP address
You must change these settings with the appropriate configuration menus
after the new configuration is activated. See Table A-1, Network Interface
Options, Table A-4, System Options, and Table A-5, Telnet Session
Options, in Appendix A, Configuration Options.
3-6
February 2001
8786-A2-GB20-20
3. Initial Startup and Configuration
Saving Configuration Changes
When changes are made to the configuration options through the Configuration
Edit/Display menu, the changes must be saved to take effect. Use the Save
function key to go to the Save Configuration screen.
main/config/saveprompt
Slot: 2
Hotwire
Model: 8786
SAVE CONFIGURATION
Save Changes? No
WARNING:
An answer of “yes” will cause the system
to reset as if it had been powered off and on!
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Command Complete
Procedure
To save configuration option changes:
1. Press Ctrl-a to switch to the function keys area below the dotted line.
2. Select Save and press Enter.
If the Telnet Session configuration option is changed, a message displays on the
Save Configuration screen warning that an answer of Yes will cause the Telnet
session to disconnect. Do not answer Yes unless you are prepared to disconnect.
If the DSL Mode configuration option is changed, the Save Configuration screen
bears the warning that an answer of Yes will cause the system to reset. Do not
answer Yes unless you are prepared to reset the unit.
NOTE:
When Exit is selected before Save, or Save has been selected from any
Configuration/Edit menu, a Save Configuration screen appears that requires
a Yes or No response. If you select:
— Yes, the configuration is saved.
— No, the Main Menu reappears and changes are not saved.
8786-A2-GB20-20
February 2001
3-7
3. Initial Startup and Configuration
Downloading Firmware
The Download Code screen allows you to download firmware from a TFTP server.
To access the Download Code screen, follow this menu selection sequence:
Main Menu → Control → Download Code
main/control/download_code
Slot: 2
Hotwire
Model: 8786
DOWNLOAD CODE
Image File Name:
TFTP Server IP Address:
Destination:
Immediately Apply Download:
Start Transfer:
Packets Sent:
Packets Received:
Bytes Sent:
Bytes Received:
Transfer Status:
000.000.000.000
DSL
No
Yes
Clear
Clear
0000000
0000000
0000000
0000000
Transfer Pending
------------------------------------------------------------------------------Exit
Ctrl-a to access these functions, ESC for previous menu
MainMenu
Procedure
To download firmware:
1. Position the cursor in the Image File Name field. Type the name of the file to
be downloaded.
The file name may be a regular path name expression of directory names
separated by a forward slash (/) ending with the file name. The total path name
length can be up to 128 characters.
2. Position the cursor in the TFTP Server IP Address field. Enter the TFTP server
IP address.
The first three digits of the IP address cannot be 000 or greater than 223.
3. Position the cursor in the Destination field. Use the spacebar to select a
network destination for the TFTP server.
4. Position the cursor in the Immediately Apply Download field. If you would like
the download to be effective immediately, select Yes.
3-8
February 2001
8786-A2-GB20-20
3. Initial Startup and Configuration
5. Position the cursor at the Start Transfer field. Use the spacebar to select Yes.
Press Enter.
When the data transfer is complete:
— If you selected Yes in Step 4, the unit is reset.
— If you selected No, the Transfer Status field changes to Completed
successfully.
If you specified No (the default) in the Immediately Apply Download field in
Step 4, you must now apply the download.
main/control/apply_download
Slot: 4
Hotwire
Model: 8786
APPLY DOWNLOAD
Switch To Code Revision A01.00.02: No
WARNING:
An answer of “yes” will cause the system
to reset as if it had been powered off and on!
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Select: Yes, No
LOS at Net, Pt 1
Procedure
To apply the downloaded firmware:
1. Press the Escape key to return to the Control menu. Select Apply Download.
2. On the Apply Download screen, type Yes to reset the card and activate the
code.
Selecting Yes causes the termination unit to reset.
NOTE:
The termination unit has two flash memory banks to hold executable firmware.
You can switch between these two firmware versions by applying the firmware
listed on the Apply Download screen.
8786-A2-GB20-20
February 2001
3-9
3. Initial Startup and Configuration
AutoRate Feature
The AutoRate feature is designed to find the best rate possible for your DSL loop
conditions. After the DSL loop is up, configure the unit for a fixed rate. AutoRate
can be enabled or disabled from the Network Interface Options screen and reset
from the Control menu.
Disabling AutoRate
The AutoRate function is controlled from the Network Interface Options screen and
allows you to enable or disable AutoRate. The AutoRate option is only available if
the unit is configured as an LTU.
To access the Network Interface screen, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration → Network
main/config/network
Slot 2
Hotwire
Model: 8786
NETWORK INTERFACE OPTIONS
Margin Threshold:
Excessive Error Rate Threshold:
AutoRate
DSL Line Rate
–3db
1E–6
Disable
528
Circuit Identifier:
Clear
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
The AutoRate option defaults to Enable.
Procedure
To disable AutoRate:
1. Position the cursor in the AutoRate field and press the spacebar.
The AutoRate field toggles to Disable and the DSL Line Rate field appears.
2. Enter a DSL Line Rate and press Enter.
Your payload rate is set to a default value of 1984. Use Table 3-1, Fixed Rate
Payload Rates and DSL Line Rates, to set your DSL Line Rate and Payload
Rate according to whether you are configured for Voice (signaling) or Data.
3-10
February 2001
8786-A2-GB20-20
3. Initial Startup and Configuration
Table 3-1, Fixed Rate Payload Rates and DSL Line Rates, provides the maximum
payload rates achievable for each DSL line rate and the number of time slots
required to achieve that payload rate depending on whether you are using
signaling (time slots 0 and 16) or data only (time slot 0).
Table 3-1.
Fixed Rate Payload Rates and DSL Line Rates
Voice Mode
(G.703-to-G.703)
Data Mode
(G.703-to-G.703)
Data Mode
(G.703-to-EIA-530)
DSL Line
Rate (kbps)
Maximum
Payload
Rate (kbps)
Time
slots
Maximum
Payload
Rate (kbps)
Time
slots
Maximum
Payload
Rate (kbps)
Time
slots
2064
1920
30
1984
31
1984
31
1552
1408
22
1472
23
1536
24
1040
896
14
960
15
1024
16
784
640
10
704
11
768
12
528
384
6
448
7
512
8
400
256
4
320
5
384
6
Resetting AutoRate
The Reset AutoRate function on the Control menu causes the unit to repeat the
AutoRate sequence. The unit attempts to establish the DSL link at the highest rate
(or the value of DSL Line Rate, which represents the AutoRate ceiling when
AutoRate is enabled). If the link fails, the next lower rate is tried until the link is
established.
To access the Reset AutoRate screen, follow this menu selection sequence:
Main Menu → Control → Reset AutoRate
8786-A2-GB20-20
February 2001
3-11
3. Initial Startup and Configuration
Restoring Access to the User Interface
Improper configuration of the unit could render the user interface inaccessible. If
this occurs, access can be restored using the MCC.
Procedure
To reset the DSL Card using the DSLAM’s management card:
1. Follow this menu selection sequence:
Configuration → DSL Cards → Reset Slot
2. Enter DSLnn, where nn is the slot number for the DSL card you wish to reset.
3. Enter Reset.
4. Enter Y if you want to clear NVRAM also, otherwise enter N.
Entering Y restores the Default Factory Configuration.
5. Enter Y at the prompt to confirm.
NOTE:
When you enter Y, all data connectivity is interrupted.
You can also restore access to the user interface by reloading the Default Factory
Configuration options using the unit’s menus.
Procedure
To restore access to the ATI using the unit’s menus:
Main Menu →Configuration → Default Factory Configuration
Resetting the Unit
If the user interface is functional and you would like to reset the unit without
removing it from the DSLAM, you can reset the unit from the Control menu.
Procedure
To reset the unit from the Control menu:
1. Follow this menu selection sequence:
Main Menu → Control → Reset Device
The message Are you sure? appears.
2. Enter Yes.
3-12
February 2001
8786-A2-GB20-20
Monitoring the Unit
4
What to Monitor
This chapter presents information on how to access and monitor unit status and
performance statistics on the network. The following sections describe how you
can monitor unit operations:
„
Viewing System and Test Status on page 4-2
— Health and Status Messages on page 4-3
— Self-Test Results Messages on page 4-5
— Test Status Messages on page 4-5
„
Performance Statistics on page 4-6
— Viewing Network Error Statistics on page 4-6
— Viewing Network Performance Statistics on page 4-8
— Viewing Current Network Performance on page 4-10
— Viewing Current Network Performance on page 4-10
„
„
8786-A2-GB20-20
Viewing LED Status on page 4-14
Front Panel LEDs on page 4-15
February 2001
4-1
4. Monitoring the Unit
Viewing System and Test Status
To view System and Test Status information, follow this menu selection sequence:
Main Menu → Status → System and Test Status
main/status/system
Slot: 4
Hotwire
Model: 8786
SYSTEM AND TEST STATUS
Page 1 of 1
HEALTH AND STATUS
SELF-TEST RESULTS
TEST STATUS
------------------------------------------------------------------------------System Operational
Passed
No Test Active
------------------------------------------------------------------------------ESC for previous menu
MainMenu
Exit
PgUp
PgDn
The System and Test Status screen has three sections:
„
„
„
4-2
Health and Status – Displays messages in priority order (highest to lowest).
Refer to Table 4-1, Health and Status Messages.
Self-Test Results – Results of the Diagnostic test run on the device itself.
Refer to Table 4-2, Self-Test Results Messages.
Test Status – Currently active tests. Refer to Table 4-3, Test Status
Messages.
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
Health and Status Messages
The following messages appear in the first column of the System and Test Status
screen. The highest priority Health and Status message also appears on all ATI
screens on the bottom right.
Table 4-1.
Health and Status Messages (1 of 2)
Message
What Message Indicates
What To Do
AIS at G.703, Pt n
An Alarm Indication Signal
(AIS) is being received by the
G.703 interface.
1. Verify that the unit’s line
framing and line coding are
compatible.
2. Contact network provider.
An internal error has been
detected by the operating
software. yyyyyyyy indicates
the 8-digit hexadecimal
failure code.
1. Provide the 8-digit failure
code shown ( yyyyyyyy ) to
your service representative.
Download Failed
A firmware download was
interrupted.
Repeat the download.
EER at G.703, Pt n
An EER (Excessive Error
Rate) condition has been
detected on the G.703
interface.
1. Verify that the network cable
is securely attached at both
ends.
Device Failed
yyyyyyyy
2. Reset the unit to clear the
condition and message.
2. Verify proper NTU and LTU
configuration.
3. Contact network provider.
EER at Net, Pt n
An EER (Excessive Error
Rate) condition has been
detected on the network
interface at Port n. The
condition is cleared when the
error rate falls below the
threshold value currently
configured.
1. Ignore condition if 511 test
active.
Fallback Rate,
Pt n
The LTU, set to AutoRate
enable, synchronized at a
lower rate when the line was
restored after an LOS.
Reset AutoRate.
LOF at G.703, Pt n
An LOF (Loss Of Frame)
condition has been detected
on the G.703 interface.
1. Verify that the network cable
is securely attached at both
ends.
2. Check the Network
Performance Statistics
screen for possible line
impairments.
3. Contact network provider.
AutoRate is designed to find the
best rate possible for your DSL
loop conditions. After the DSL
loop is up units should be run in
fixed rate.
2. Contact network provider.
3. Verify that the units line
framing and line coding are
compatible.
8786-A2-GB20-20
February 2001
4-3
4. Monitoring the Unit
Table 4-1.
Health and Status Messages (2 of 2)
Message
What Message Indicates
What To Do
LOS at Net, Pt n
An LOS (Loss Of Signal)
condition has been detected
on the network interface. No
signal is being received on
Port n, possibly due to a local
network problem.
1. Verify that the network cable
is securely attached at both
ends.
2. Verify proper NTU and LTU
configuration.
3. Contact network provider.
Mismatch Rate,
Pt n
Net Margin Threshold,
Pt n
The LTU, in fixed rate, is
attempting to communicate
at a faster rate than the NTU
can handle.
1. Verify endpoint is not a 1
Mbps model.
The signal-to-noise margin
has exceeded the configured
threshold for Port n.
1. Check the Network
Performance Statistics
screen for possible line
impairments.
2. Upgrade remote unit to a 2
Mbps or reconfigure the LTU
for fixed rate at a lower rate.
2. Set the unit to run at a lower
DSL line rate.
3. Contact network provider.
NTU TS16 Not
Supported
OOF at Net, Pt n
The LTU is configured for
TS16 signaling and the NTU
is not configured to support
TS16 signaling.
1. Verify endpoint is a G.703
product. EIA-530-A products
do not support signaling.
Three consecutive frame
synchronization bits were in
error.
1. Verify proper NTU and LTU
configuration.
2. Replace endpoint or
reconfigure TS16 to data.
2. Check the Network
Performance Statistics
screen for possible line
impairments.
3. Set the unit to run at a lower
DSL line rate.
4. Contact network provider.
Primary Clock Failed
(G.703 Pt 1)
A failure has occurred in the 1. Verify that the network cable
primary clock source
is securely attached at both
configured for the G.703 port.
ends.
2. Contact network provider.
4-4
RAI (Remote Alarm
Indication) at G.703
interface, Pt n
A Remote Alarm Indication
signal is being received by
the G.703 interface.
1. Check the status of the
upstream device.
System Operational
There are no problems
detected.
No action is needed.
February 2001
2. Verify proper NTU and LTU
configuration.
8786-A2-GB20-20
4. Monitoring the Unit
Self-Test Results Messages
The results of the last power-on or reset self-test appear in the middle column of
the System and Test Status screen.
Table 4-2.
Self-Test Results Messages
Message
What Message Indicates
What To Do
CPU Failed
The CPU failed internal
testing.
1. Reset the unit and try again.
Device Failed
One or more of the unit’s
integrated circuit chips has
failed device-level testing.
Failure xxxxxxxx
An internal failure occurred.
(xxxxxxxx represents an
8-digit hexadecimal failure
code for use by service
personnel.)
Record the failure code and
contact your service
representative.
G.703 Failed, Pt n
The unit failed to loop data on
the G.703 on Port n.
1. Reset the unit and try again.
Memory Failed
The unit failed memory
verification.
Net DSL Failed, Pt n
The unit failed to loop data on
the network DSL circuit of
Port n.
Passed
No errors were detected.
2. Call your service
representative for
assistance.
2. Call your service
representative for
assistance.
No action is needed.
Test Status Messages
The Test Status messages in the following table appear in the right column of the
System and Test Status screen.
Table 4-3.
Test Status Messages
Test Status Message
Meaning
511 Test Active, Pt n
A 511 Test and Monitor is active on the DSL Port n network
interface.
DLB Test Active, Pt n
A Data Terminal Loopback test is active on Port n.
Lamp Test Active
The Lamp Test is active, causing the LEDs on the front panel to
light.
LLB Test Active, Pt n
A network Line Loopback test is active on Port n.
No Test Active
No tests are currently running.
RLB Test Active, Pt n
A network Repeater Loopback test is active on Port n.
For further information on testing, refer to Chapter 5, Testing.
8786-A2-GB20-20
February 2001
4-5
4. Monitoring the Unit
Performance Statistics
Performance statistics can assist you in determining the duration of specific
conditions and provide a historical context for problem detection and analysis.
Statistics are maintained for up to 96 15-minute intervals (24 hours).
Select a port to view performance statistics for that port. Port 1 is the default.
Use the applicable virtual function keys to page through the intervals and clear
statistics.
„
„
„
Select PgUp or PgDn to view more statistics.
Select ClrNear or ClrFar to clear the near- and far-end statistics to zero.
Select ClrStats to clear all statistics to zero.
Viewing Network Error Statistics
The termination unit maintains error statistics on the network DSL interface for
each port. Port 1 is the default screen selection.
To view the Network Error Statistics, follow this menu selection sequence:
Main Menu → Status → Performance Statistics → Network Error Statistics
main/status/performance/net_error
Slot: 4:
Port: 2
NETWORK ERROR STATISTICS
Hotwire
Model: 8786
Current Interval Timer: 2
Error Events Counter: 34
----------------------------------------------------------------------------------ES-----SES----FEBE--CompleteNear Far
Near Far
Near Far
Near Far
Current Int: 000 000
000 000
000 000
Yes Yes
Interval 01 000 000
000 000
000 000
Yes Yes
Interval 02 000 000
000 000
000 000
Yes Yes
Interval 03 000 000
000 000
000 000
Yes Yes
Interval 04 000 000
000 000
000 000
Yes Yes
Interval 05 000 000
000 000
000 000
Yes Yes
Interval 06 000 000
000 000
000 000
Yes Yes
000 000
000 000
Yes Yes
Interval 07 000 000
Worst Interval: 24
09
Near Tot(valid): 00010
Far Tot(valid): 00010
14
08
00000
00000
18
18
00000
00000
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
PgUp
PgDn
ClrNear
ClrFar
4-6
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
The following Network Error Statistics are collected for the selected port:
„
„
„
„
ES (Errored Seconds): Seconds during which one or more ESF error events
occurred.
SES (Severely Errored Seconds): Seconds during which more than
320 cyclic redundancy check (CRC) error events or at least one Out of Frame
(OOF) event occurred.
FEBE (Far-End Block Errors): Errors reported by the remote equipment.
Complete: Whether the interval register contains data for all 900 seconds of
the interval.
Fields on this screen include:
8786-A2-GB20-20
Field . . .
Contains . . .
Current Interval Timer
The number of seconds which have elapsed in the current
15-minute interval. Maximum value is 900 seconds
(15 minutes). This counter is reset every 15 minutes.
When zero, the port is disabled.
Error Events Counter
A running total of CRC errors. Range 0–65535. This counter
resets when the near-end data is cleared. When zero, the port is
disabled.
Current Int
Performance data for the current 15-minute interval.
When blank, the port is disabled.
Interval xx
Historical performance data for up to 96 15-minute intervals
(24 hours). When blank, the port is disabled.
Worst Interval
The number of the interval with the worst (highest) performance
data for both the near- and far-end statistics. If two or more
intervals are equal, the oldest interval is displayed.
When blank, the port is disabled.
Near and Far Tot
A running total of the near- and far-end performance statistics.
February 2001
4-7
4. Monitoring the Unit
Viewing Network Performance Statistics
Network performance statistics allow you to monitor the current status of the
network DSL operations.
To view Network Performance Statistics for a port, follow this menu selection
sequence:
Main Menu → Status → Performance Statistics →
Network Performance Statistics
main/status/performance/net_perf
Slot: 4:
Port: 2
NETWORK PERFORMANCE STATISTICS
Hotwire
Model: 8786
Payload Rate: 1920 kbps
Current Interval Timer: 002
DSL Line Rate: 2064 kbps
---------------------------------------------------------------------------------Mrgn---XmtPw--RxGn--CompleteNear Far
Near Far
Near Far
Near Far
Current Int: +02 +01
+03 +03
+02 +02
Yes Yes
Interval 01 +02 +03
+03 +03
+02 +02
Yes No
Interval 02 +02 +01
+03 +03
+02 +02
Yes Yes
Interval 03 +02 +01
+03 +03
+02 +02
Yes Yes
Interval 04 +02 +01
+03 +03
+02 +02
Yes Yes
Interval 05 +02 +01
+03 +03
+02 +02
Yes Yes
Interval 06 +02 +01
+03 +03
+02 +02
Yes Yes
Interval 07 +02 +01
+03 +03
+02 +02
Yes Yes
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
PgUp
PgDn
ClrNear
ClrFar
The following Network Performance Statistics are collected for the selected port:
„
„
„
„
4-8
Mrgn: Signal to Noise Ratio (SNR) Margin, the amount (in dB) that the
Receive signal has exceeded the value needed to maintain a Bit Error Ratio
(BER) of 10–7 or better.
XmtPw: The transmit power level.
RxGn: The receiver gain level.
Complete: Whether the interval register contains data for all 900 seconds of
the interval.
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
Fields on this screen include:
8786-A2-GB20-20
This Field . . .
Contains . . .
Current Interval
Timer
The number of seconds which have elapsed in the current
15-minute interval. Maximum value is 900 seconds (15 minutes).
This counter resets every 15 minutes.
Payload Rate
The Payload Rate across the DSL interface. Refer to Table 3-1,
Fixed Rate Payload Rates and DSL Line Rates, in Chapter 3, Initial
Startup and Configuration.
DSL Line Rate
The rate of the DSL line. The line rate can be 400, 528, 784, 1040,
1552, or 2064 kbps.
Current Int
Performance data for the current 15-minute interval.
Interval xx
Historical performance data for up to 96 15-minute intervals
(24 hours) where the value of xx is from 01 to 96.
February 2001
4-9
4. Monitoring the Unit
Viewing Current Network Performance
The Current Network Performance Statistics screen allows you to monitor selected
current network status and error information for both the near- and far-end units
from a single screen.
To view Current Network Performance for a port, follow this menu selection
sequence:
Main Menu → Status → Performance Statistics → Current Network Performance
main/status/performance/current
Hotwire
Slot: 4:
Model: 8786
Port: 2
CURRENT NETWORK PERFORMANCE STATISTICS
Payload Rate: 1536 kbps
Current Interval Timer: 002
DSL Line Rate: 1552 kbps
-------------------------------------------------------------------------------
Margin
XmtPw
RxGn
ES
SES
FEBE
Near End
+02
+03
+02
002
002
000
Far End
+01
+03
+02
000
000
000
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
ClrNear
ClrFar
Select: 1, 2, 3, 4
LOS at Net, Pt 1
The following Network Performance Statistics are collected for the selected port:
„
„
„
Mrgn: Signal to Noise Ratio (SNR) Margin, the amount (in dB) that the
Receive signal has exceeded the value needed to maintain a Bit Error Rate
(BER) of 10–7 or better.
XmtPw: The transmit power level.
RxGn: The receiver gain level.
The following Network Error Statistics are collected for the selected port:
„
„
„
4-10
ES (Errored Seconds): Seconds during which one or more ESF error events
occurred.
SES (Severely Errored Seconds): Seconds during which more than
320 cyclic redundancy check (CRC) error events or at least one Out of Frame
(OOF) event occurred.
FEBE (Far-End Block Errors): Errors reported by the remote equipment.
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
Fields on this screen include:
8786-A2-GB20-20
Field . . .
Contains . . .
Current Interval
Timer
The number of seconds which have elapsed in the current
15-minute interval. Maximum value is 900 seconds (15 minutes).
This counter is reset every 15 minutes.
When zero, the port is disabled.
Payload Rate
The rate of data transfer.
DSL Line Rate
The rate of the DSL line.
February 2001
4-11
4. Monitoring the Unit
Viewing G.703 Performance Statistics
G.703 Performance Statistics allow you to monitor the status of the G.703
interface when Framed framing is selected.
To view G.703 Performance Statistics, follow this menu selection sequence:
Main Menu → Status → Performance Statistics → G.703 Statistics
main/status/performance/G.703
Slot: 4
Port: 2
G.703 PERFORMANCE STATISTICS
Hotwire
Model: 8786
Current Interval Timer: 004
Error Events Counter: 012
----------------------------------------------------------------------------------ES---UAS---SES---BES--LOF--STATUS-Current Int:
Interval 01
Interval 02
Interval 03
Interval 04
Interval 05
Interval 06
Interval 07
000
000
000
000
000
000
000
000
Worst Interval:
12
Tot(valid 96): 00010
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
000
08
00000
34
00000
18
00000
000
000
000
000
000
000
000
000
Y
NONE
NONE
NONE
NONE
NONE
NONE
NONE
18
002
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
PgUp
PgDn
ClrStats
The following G.703 Performance Statistics are collected for the selected port:
„
„
„
„
„
4-12
ES (Errored Seconds): Seconds during which one or more error events
occurred.
UAS (Unavailable Seconds): Seconds during which service is unavailable.
UAS is received at the start of 10 consecutive SES and cleared at the start of
10 seconds with no SES.
SES (Severely Errored Seconds): Seconds during which 805 or more cyclic
redundancy check (CRC) error events, 16 or more FAS errors, or at least one
Out of Frame (OOF) event occurred.
BES (Bursty Errored Seconds): Contains the number of bursty errored
seconds for the current interval. A bursty errored second is any second with
more than one but less than 805 CRC errors (CRC Mode) or more than one
but less than 16 FAS errors (non-CRC mode).
LOF (Loss of Frame Seconds): Contains the number of seconds that contain
one or more LOF events.
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
„
Status: Contains the contents of the status events register. The status events
register maintains a history of specific events that have occurred during an
interval. Values include:
— Y: Remote alarm indication signal received at the G.703 interface
— L: Loss of signal detected at the G.703 interface
— E: Excessive error rate threshold exceeded
— F: Frame synchronization bit error detected
— V: Line code violation detected
— None: No significant events have occurred
Fields on this screen include:
8786-A2-GB20-20
This Field . . .
Contains . . .
Current Interval Timer
The number of seconds which have elapsed in the current
15-minute interval. Maximum value is 900 seconds
(15 minutes). This counter resets every 15 minutes.
Error Events Counter
A running total of CRC errors. Range 0–65535. This counter
resets when the near-end data is cleared.
Current Int
Performance data for the current 15-minute interval.
Interval xx
Historical performance data for up to 96 15-minute intervals
(24 hours).
Worst Interval
The number of the interval with the worst (highest) performance
data for both the near- and far-end statistics. If two or more
intervals are equal, the oldest interval is displayed.
Tot
A running total of the performance statistics.
February 2001
4-13
4. Monitoring the Unit
Viewing LED Status
The status of the front panel LEDs can be viewed locally and remotely on the
Display LEDs status screen.
The LEDs are organized into three groups:
„
„
„
General LEDs display the status of the unit.
G.703 LEDs provide the status of the G.703 interface
DSL Loop LEDs display the activity on the DSL network
To view the LED status screen, follow this menu selection sequence:
Main Menu → Status → Display LEDs
main/status/leds
Slot: 4
Hotwire
Model: 8786
DISPLAY LEDs
GENERAL
G.703
DSL LOOP
-------------------------------------------------------------------------------ALRM:Off
P1:Lnk Up
P1:Lnk Up
TEST:On
P2:RAI
P2:Startup
-------------------------------------------------------------------------------ESC for previous menu
MainMenu
Exit
The LED status display screen is updated every 5 seconds. For information about
the meaning of the LEDs, see Front Panel LEDs on page 4-15.
4-14
February 2001
8786-A2-GB20-20
4. Monitoring the Unit
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
faceplate.
SY
t
K l rm s
EM O A Te
ST
Type
LED
LED is . . .* Indicating . . .
SYSTEM
OK
(Green)
On
Device failure; system processing has stopped.
Off
No power is being delivered to the card.
03
.7
G
Slow Cycling Unit is in minimum mode and a download is
required.
1
Normal operation.
On
Device failure, or the Power-On Self-Test
(POST) has failed.
Off
No alarms exist.
On
Loopback test or 511 test pattern is in progress.
Slow cycling
POST is in progress.
Off
No tests are active.
On
Recoverable signal is present on the
G.703 interface.
Slow cycling
Remote Alarm Indication (RAI) is present.
Fast cycling
An OOF, LOF, EER, or AIS condition exists.
Off
No signal is detected on the interface.
On
DSL link is up.
Slow cycling
DSL training is in progress.
Fast cycling
OOF condition exists.
Off
DSL link is down.
2
Pulsing
Alrm
(Amber)
SL
D
RT
PO
1
Test
(Amber)
2
G.703
DSL PORT
1, 2
(Green)
1, 2
(Green)
* Slow Cycling: LED turns off and on in equal duration once per second.
Fast Cycling: LED turns off and on in equal duration 5 times per second.
Pulsing: LED turns off momentarily once per second.
TDM
SDSL
8786
00-16136-01
8786-A2-GB20-20
February 2001
4-15
4. Monitoring the Unit
4-16
February 2001
8786-A2-GB20-20
Testing
5
Accessing the Test Menu
From the Test menu, you can run network tests, data port tests, a lamp test for the
front panel LEDs, or abort all tests.
To access the Test menu, follow this menu selection sequence:
Main Menu → Test
main/test
Slot 4
Hotwire
Model: 8786
TEST
Network & G.703 Tests
Device Tests
Abort All Tests
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
8786-A2-GB20-20
Select . . .
To . . .
Network & G.703 Tests
Start and stop tests on the network or G.703 interface.
Device Tests
Start and stop a lamp test.
Abort All Tests
To abort all currently active tests, excluding Network-initiated
and G.703 loopback tests. An aborted test may continue to
run for a few seconds as the abort command is sent to the
remote end and processed.
February 2001
5-1
5. Testing
Running Network Tests
Network tests require the participation of your network service provider.
To access the Network & G.703 Tests screen, follow this menu selection
sequence:
Main Menu → Test → Network & G.703 Tests
main/test/network_G703
Slot: 4
Port: 2
Hotwire
Model: 8786
NETWORK & G.703 TESTS
Test
Command Status
Results
-------------------------------------------------------------------------------Local Loopbacks
Network Line Loopback:
Start
Inactive
00:00:00
G.703 Repeater Loopback:
Start
Inactive
00:00:00
G.703 DTE Loopback:
Start
Inactive
00:00:00
Network Remote Loopbacks
Send Line Loopback: Down
Send
Inactive
00:00:00
Network Pattern Tests
Send and Monitor 511
Stop
Active
hh:mm:ss - Errors 99999+
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
ResetMon
Use the Command column to start or stop a test. When the Status column shows
that a test is Inactive, Start is displayed; when a test is Active, Stop is displayed.
Position the cursor at the desired Start or Stop command and press Enter. The
Results column displays the test duration.
Selecting a Stop command on the Network Tests screen or Abort All Tests from
the Test menu will not disrupt a network-initiated loopback.
When the Send and Monitor 511 test is active, ResetMon is available to reset the
error counter to zero.
5-2
February 2001
8786-A2-GB20-20
5. Testing
Network Line Loopback
A Network Line Loopback (LLB) loops the received signal on the network interface
back to the network without change.
CAP
CAP
E1
DSL
Port
LIU
Transceiver
Framer
AIS
G.703
Port
Framer
98-15997
Procedure
To run a Network Line Loopback:
1. Position the cursor at the Start command next to Network Line Loopback on
the Network & G.703 Tests screen.
2. Press Enter.
The Start command is changed to Stop.
3. To manually stop the test, verify that the cursor is positioned at the Stop
command.
4. Press Enter.
The Network Line Loopback cannot be started when a Repeater Loopback, DTE
Loopback, or network-initiated Line Loopback or pattern test is in progress.
8786-A2-GB20-20
February 2001
5-3
5. Testing
G.703 Repeater Loopback
A G.703 Repeater Loopback (RLB) loops the signal being sent from the data port
back to the data port and to the network interface.
CAP
CAP
E1
DSL
Port
LIU
Transceiver
Framer
G.703
Port
Framer
98-15999
Procedure
To run a G.703 Repeater Loopback:
1. Position the cursor at the Start command next to G.703 Repeater Loopback on
the Network & G.703 Tests screen.
2. Press Enter.
The Start command is changed to Stop.
3. To manually stop the test, verify that the cursor is positioned at the Stop
command.
4. Press Enter.
The G.703 Repeater Loopback cannot be started when any other loopback or
pattern test is in progress.
NOTE:
Activating the G.703 Repeater Loopback test causes the Embedded
Operations Channel (EOC), which is used for management, to be lost
to the remote unit.
5-4
February 2001
8786-A2-GB20-20
5. Testing
G.703 DTE Loopback
A G.703 DTE Loopback loops the G.703 signal back to itself before the signal is
sent to the Framer.
CAP
CAP
E1
DSL
Port All Ones
LIU
Transceiver
Framer
G.703
Port
Framer
98-16000
Procedure
To run a G.703 DTE Loopback:
1. Position the cursor at the Start command next to G.703 DTE Loopback on the
Network & G.703 Tests screen.
2. Press Enter.
The Start command is changed to Stop.
3. To manually stop the test, verify that the cursor is positioned at the Stop
command.
4. Press Enter.
The G.703 DTE Loopback cannot be started when any other loopback test is
in progress.
8786-A2-GB20-20
February 2001
5-5
5. Testing
Network Remote Send Line Loopback
The local unit initiates this test by sending a line loopback Up or Down command
to the remote unit for 10 seconds. When the remote unit detects the loopback Up
command, it puts itself in line loopback and lights the front panel test LED. The
remote unit remains in loopback until it receives a loopback Down command or the
remote unit's test timeout value is exceeded.
The Send Line Loopback tests both units. External equipment can be used to
verify the link.
Local
E1
CAP
Remote
CAP
CAP
CAP
E1
LIU
LIU
Framer
Framer
Transceiver
Transceiver
Framer
AIS
G.703
Port
Framer
98-16001
Procedure
To run a Network Remote Send Line Loopback:
1. Position the cursor at the Up or Down selection next to Send Line Loopback on
the Network & G.703 Tests screen.
2. Press the spacebar to select either Up or Down.
3. Position the cursor at the Send command next to Up or Down selection.
4. Press Enter.
The local unit stops sending the loopback command automatically after
10 seconds. You cannot stop the Network Remote Send Line Loopback
test manually.
The Network Remote Send Line Loopback cannot be started when any other
loopback or a Send and Monitor 511 test is active on the network interface.
5-6
February 2001
8786-A2-GB20-20
5. Testing
Send and Monitor 511
The Send and Monitor 511 test causes the local and remote units to send a 511
test pattern to each other. The front panel Test LEDs of both units are on during
the test. The duration and results of the test are displayed on the Network Test
screen of the initiating unit.
NOTE:
The Send and Monitor 511 test is not a loopback test. Each unit independently
sends and monitors a 511 pattern.
E1
AIS
CAP
511
Gen
CAP
LIU
Framer
Framer
511
Gen
Transceiver
511
Pattern
511
Pattern
CAP
511
Gen
511
Gen
Transceiver
CAP
E1
LIU
Framer
AIS G.703
Port
Framer
98-16002
Procedure
To run a Send and Monitor 511 test:
1. Position the cursor at the Start command next to Send and Monitor 511 on the
Network & G.703 Tests screen.
2. Press Enter.
The Start command is changed to Stop.
3. To manually stop the test, verify that the cursor is positioned at the Stop
command.
4. Press Enter.
When a Send and Monitor 511 test is active, a count of bit errors is displayed next
to the test duration, and the ResetMon virtual function key is available for use.
Type r or R or select the ResetMon virtual function key to reset the error count.
8786-A2-GB20-20
February 2001
5-7
5. Testing
Device Tests
The Device Tests menu lists a single, card-level test, the Lamp Test. To access the
Device Tests screen, follow this menu selection sequence:
Main Menu → Test → Device Tests
main/test/device
Slot: 4
Hotwire
Model: 8786
DEVICE TESTS
Test
Command
Status
-------------------------------------------------------------------------------Lamp Test:
Start
Inactive
-------------------------------------------------------------------------------Exit
Ctrl-a to access these functions, ESC for previous menu
MainMenu
Lamp Test
The Lamp Test determines whether all LEDs are lighting and functioning properly.
Procedure
To test the LEDs:
1. Position the cursor at the Start command next to Lamp Test on the Device
Tests screen.
2. Press Enter.
The Start command is changed to Stop. During the Lamp Test, all LEDs blink
simultaneously every second. When you stop the Lamp Test, the LEDs are
restored to their normal condition.
3. To stop the Lamp Test, position the cursor at the Stop command.
4. Press Enter.
5-8
February 2001
8786-A2-GB20-20
5. Testing
Ending an Active Test
Except for the Remote Send Line Loopback, a test initiated by the user can be
ended by the user.
A test initiated by the user can be ended using:
„
„
„
Test Timeout option – Enable the Test Timeout system option so the unit can
automatically terminate tests, and set the Test Duration (min) option to specify
the amount of time that tests can run before the unit terminates the test. The
default is 10 minutes. Refer to Table A-4, System Options, in Appendix A,
Configuration Options.
Command column – Under the Command column on any test screen,
position the cursor at Stop next to the active test and press Enter to stop a
specific test.
Abort All Tests menu selection – Select Abort All Tests from the Test menu
to stop all tests running on all interfaces. Command Complete appears
when all tests on all interfaces have been terminated. Network-initiated
loopbacks cannot be stopped from the Test menu.
An aborted test may continue to run for a few seconds as the Stop command is
sent to the remote end and processed.
8786-A2-GB20-20
February 2001
5-9
5. Testing
5-10
February 2001
8786-A2-GB20-20
Messages and Troubleshooting
6
Overview
There are many messages available to assess the status of the device and
contribute to problem resolutions. Refer to the following sections:
„
„
„
8786-A2-GB20-20
Configuring SNMP Traps on page 6-2
Device Messages on page 6-3
Troubleshooting on page 6-5
February 2001
6-1
6. Messages and Troubleshooting
Configuring SNMP Traps
An SNMP trap can be automatically sent out through the EOC or the Management
port to the SNMP manager when the termination unit detects conditions set by the
user. These traps enable the SNMP manager to gauge the state of the network.
Refer to Appendix B, Standards Compliance for SNMP Traps, for details of SNMP
traps supported by the unit.
To configure the unit for SNMP traps, use the SNMP Traps Options screen to:
„
„
„
„
Enable SNMP traps.
Set the number of SNMP managers that receive SNMP traps from the unit.
Enter an IP address and network destination for each SNMP manager
specified.
Select the type of SNMP traps to be sent from the unit.
To configure SNMP Traps, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → SNMP Traps
main/config/management/trap
Slot: 4
Hotwire
Model: 8786
SNMP TRAPS OPTIONS
SNMP Traps:
Enable
Number of Trap Managers: 5
NMS
NMS
NMS
NMS
NMS
135.014.040.001
135.014.003.027
135.014.001.008
135.014.002.024
204.128.146.035
Clear
Clear
Clear
Clear
Clear
1
2
3
4
5
IP
IP
IP
IP
IP
Address:
Address:
Address:
Address:
Address:
General Traps:
Enterprise Specific Traps:
Link Traps:
Link Traps Interfaces:
Both
Disable
Both
All
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
Refer to Table A-8, SNMP Traps Options, in Appendix A, Configuration Options, to
configure SNMP traps.
6-2
February 2001
8786-A2-GB20-20
6. Messages and Troubleshooting
Device Messages
The Device Messages in Table 6-1, Device Messages, listed in alphabetical order,
may appear in the messages area at the bottom of the ATI screens.
Table 6-1.
Device Messages (1 of 2)
Device Message
What Message Indicates
What To Do
Access
level=Operator.
Configuration is
read-only.
The operator requested that
configuration options be
loaded, but does not have
authority to edit them.
If configuration options are to be
edited, use a Login ID that has
Administrator authority.
Cannot Save – no
Login IDs with Access
Administrator
All of the login IDs being
saved have an access level
below Administrator.
Change the access level of at
least one Login ID to
Administrator so that
configuration changes can be
made. (Operator-level users
cannot make configuration
changes.) Save the Login IDs.
Command Complete
Action requested has
successfully completed.
No action is needed.
Invalid Character
A nonprintable ASCII
character has been entered.
Re-enter information using valid
characters.
Invalid Password
Login is required and an
incorrect password was
entered; access is denied.
„
„
Invalid – Send Pattern
Already Active
Invalid – [Test] Already
Active
Invalid Test
Combination
IP address not in MCC
subnet
nnn.nnn.nnn.nnn
A pattern test was already in
progress when the Start field
was selected.
The described test was
already in progress when
another selection was made.
A loopback or pattern test
was in progress when Start
was selected to start another
test, or was active on the
same or another interface
when Start was selected.
The Peer IP address
specified is not in the same
subnet as the MCC.
„
„
„
„
„
„
February 2001
Contact your system
administrator to verify your
password.
Allow test to continue.
Select another test.
Stop the test.
Allow test to continue.
Select another test.
Stop the test.
Wait until other test ends and
message clears.
Abort all tests from the Test
menu screen.
Stop the test from the same
screen the test was started
from.
Enter an IP address that is in
the same subnet as the MCC.
„
„
Command Failed
8786-A2-GB20-20
„
„
„
Try again.
Try again.
Contact your system
administrator to verify your
password.
6-3
6. Messages and Troubleshooting
Table 6-1.
Device Messages (2 of 2)
Device Message
What Message Indicates
What To Do
Limit of six Login IDs
reached
An attempt to enter a new
login ID was made, and the
limit of six login/password
combinations has been
reached.
1. Delete another
login/password combination.
No Security Records to
Delete
Delete was selected from the
Administer Login screen, and
no security records had been
defined.
Password Matching
Error – Re-enter
Password
Password entered in the
Re-enter Password field of
the Administer Logins screen
does not match what was
entered in the Password
field.
Please Wait
Command takes longer than
5 seconds.
Test Active
A test is running and no
higher priority health and
status messages exist.
2. Re-enter the new login ID.
„
„
„
„
„
„
„
6-4
An IP address of all zeros
was entered.
February 2001
Enter a security record.
Try again.
Contact your system
administrator to verify your
password.
Wait until message clears.
„
0.0.0.0 is an invalid
IP address
No action needed.
Contact service provider if
test initiated by the network.
Wait until the other test ends
and message clears.
Cancel all tests from the Test
screen.
Stop the test from the same
screen the test was started
from.
Enter a valid, non-zero IP
address.
8786-A2-GB20-20
6. Messages and Troubleshooting
Troubleshooting
The unit is designed to provide many years of trouble-free service. However, if a
problem occurs, refer to Table 6-2, Troubleshooting, for possible solutions.
Table 6-2.
Troubleshooting
Symptom
Possible Cause
Alm (Alarm) LED is on. A system failure has
occurred.
Cannot access the unit
via the ATI.
The terminal is not set up for
the correct rate or data
format, or the unit is
configured so it prevents
access.
Solutions
Refer to Table 4-1, Health and
Status Messages, in Chapter 4,
Monitoring the Unit, for a
recommended action.
„
„
„
The unit detects an internal
Device Fail
appears on the System hardware failure.
and Test Status screen
under Self-Test results.
No power, or the LEDs
are not lit.
Ensure that the Unit is
configured properly in the
DSLAM. Verify its IP
address.
Reset the Unit.
Reset the Unit.
Contact your service
representative.
The unit is not properly
seated in the DSLAM.
Verify that the unit is properly
inserted.
There is no power to the
DSLAM.
Verify that the DSLAM has
power.
An LED is not lit.
LED is out.
Run the Lamp Test. If the LED
in question does not flash with
the other LEDs, then contact
your service representative.
Not receiving data.
The network or data port
cables are not connected
(check front panel LEDs for
more information).
Power-On Self-Test
fails. Only Alm LED is
on after power-on.
8786-A2-GB20-20
„
„
Check the cable and
connections.
„
„
Check network and data port
cables.
Run Loopback tests. Refer to
Chapter 5, Testing.
A test is being executed on
the unit (check the Test LED
on the front panel).
Stop the test or wait for the test
to end.
The G.703 Port is not
enabled.
Enable the G.703 Port.
The far-end device is offline.
Make sure the far-end device is
on.
The unit has detected an
internal hardware failure.
February 2001
„
„
Reset the unit and try again.
Contact your service
representative.
6-5
6. Messages and Troubleshooting
6-6
February 2001
8786-A2-GB20-20
Security
7
Overview
The termination unit provides several methods of security by limiting user access
to the ATI through option settings. You can:
„
„
„
Enable the Telnet Login Required option.
Limit the access by setting a Session Access Level option of Operator for the
Telnet Session.
Disable the access with the Telnet Session option.
See Table A-5, Telnet Session Options, in Appendix A, Configuration Options.
ATI Access Levels
The unit has two access levels: Administrator and Operator. The access level
determines what functions are accessible, as shown in Table 7-1, Access Levels.
Table 7-1.
Access Levels
ATI Access to Menu Functions
Administrator
Operator
Status
Read-Only
Read-Only
Test
Full Access
No Access
Configuration
Full Access
Read-Only
Control
Full Access
No Access
Access level is also used to control access via Telnet. If the Telnet Session Access
Level is set to Administrator, a Login ID with an Operator access level is not
permitted access (see Table A-5, Telnet Session Options, in Appendix A,
Configuration Options).
The effective access level is the more restrictive of the session access level or the
login access level.
8786-A2-GB20-20
February 2001
7-1
7. Security
Creating a Login
Logins apply to Telnet access to the unit’s ATI. The Administer Logins menu is not
presented when you access the unit through the MCC.
Six login ID/password combinations are available. Each Login ID and Password
must be unique and include an access level.
Procedure
1. To create a login record, follow this menu selection sequence:
Main Menu → Control → Administer Logins
main/control/admin_logins
Slot: 4
Hotwire
Model: 8786
ADMINISTER LOGINS
Login ID:
Access Level:
Page 1 of 1
newuser
Administrator
Are You Sure? Yes
-------------------------------------------------------------------------------ESC for previous menu
MainMenu
Exit
Save
PgUp
PgDn
New
Delete
2. Select New and press Enter. The Login Entry screen appears.
main/control/admin_logins
Slot: 4
Hotwire
Model: 8786
LOGIN ENTRY
Login ID:
Password:
Re-enter Password:
Access Level:
newuser
e34t136
e34t136
Administrator
WARNING
New logins will not become permanent until saved
through the “ADMINISTER LOGINS" screen!
-------------------------------------------------------------------------------Ctrl-a to access these functions
ESC for previous menu
MainMenu
Exit
Save
PgUp
PgDn
New
Delete
7-2
February 2001
8786-A2-GB20-20
7. Security
3. Create the login by entering the following fields. Login IDs and passwords are
case-sensitive.
On the Login Entry
screen, for the . . .
Enter . . .
Login ID
1 to 10 ASCII printable characters (hex21 through 7E).
Blanks are not allowed.
Password
1 to 10 ASCII printable characters that can consist of 0–9,
a– z, A–Z, # (pound), . (period), – (dash), and / (slash).
Re-enter Password
1 to 10 ASCII printable characters that can consist of 0–9,
a– z, A–Z, # (pound), . (period), – (dash), and / (slash).
Access Level
Administrator, Operator
NOTE:
Assign at least one Administrator-level Login ID. Full access is necessary
to make configuration option changes and administer logins.
4. Press Ctrl-a to switch to the function keys area below the dotted line. Select
Save and press Enter.
5. When Save is complete, Command Complete appears at the bottom of the
screen.
6. If additional logins are required, repeat Steps 3 through 5.
7. When all logins are entered, press Esc to return to the Administer Logins
screen.
8. Select Save and press Enter.
Deleting a Login
Procedure
1. To delete a login record, follow this menu selection sequence:
Main Menu → Control → Administer Logins
2. Select PgUp or PgDn and press Enter to page through login pages/records
until you find the one to be deleted.
3. Once the correct record is displayed, select Delete and press Enter.
4. To complete the delete action, select Save and press Enter.
When the deletion is complete, Command Complete appears at the bottom of
the screen. The number of login pages/records reflects one less record, and
the record following the deleted record appears.
8786-A2-GB20-20
February 2001
7-3
7. Security
Controlling SNMP Access
There are three methods for limiting SNMP access.
„
„
„
Disable the SNMP management option. Refer to Table A-6, General SNMP
Management Options, in Appendix A, Configuration Options.
Assign SNMP community names and access types.
Limit SNMP access through validation of the IP address of each allowed
SNMP manager.
Assigning SNMP Community Names and Access Types
The unit can be managed by an SNMP manager supporting SNMP. The
community name must be supplied by an external SNMP manager accessing an
object in the MIB.
To define SNMP community names, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → General SNMP Management
Refer to Table A-6, General SNMP Management Options, in Appendix A,
Configuration Options, to:
„
„
„
Enable SNMP Management.
Assign the SNMP community names of the SNMP Managers that are allowed
to access the unit's Management Information Base (MIB).
Specify Read or Read/Write access for each SNMP community name.
Limiting SNMP Access through the IP Addresses of the Managers
The unit provides an additional level of security through validation of the
IP addresses.
The SNMP Management option must be enabled. To control SNMP access with
IP addresses, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → SNMP NMS Security
Refer to Table A-7, SNMP NMS Security Options, in Appendix A, Configuration
Options. The SNMP access can be limited by:
„
„
Enabling NMS IP address checking.
Add each IP address and access level.
NOTE:
Do not change or delete the IP address or access level of the NMS performing
the sets or enable IP address checking prior to adding the NMS to the table.
7-4
February 2001
8786-A2-GB20-20
IP Addressing
8
Selecting an IP Addressing Scheme
Your IP addressing scheme depends in part whether the MCC controlling the
chassis is running IP Conservative software.
Configurations Not Running IP Conservative Software
In a configuration not running IP Conservative software, the NTU’s network
interface IP address is assigned through the peer IP address of the LTU’s Network
Interface menu.
The termination unit is assigned an IP address and subnet through the DSLAM
Configuration→ DSL Cards→ Set IP Address menu. Once the address is assigned,
you can use the ATI to assign:
„
„
Peer IP addresses to the two DSL ports. These addresses are used as the IP
addresses of the remote units. See Table A-7, SNMP NMS Security Options,
in Appendix A, Configuration Options.
An IP address for each NMS to act as a trap manager. See Table A-8, SNMP
Traps Options, in Appendix A, Configuration Options.
All Configurations
The NTU obtains its IP address when the PPP link is established over the EOC.
Use the ATI to assign:
„
„
8786-A2-GB20-20
An IP address for each NMS. See Table A-7, SNMP NMS Security Options, in
Appendix A, Configuration Options.
An IP address for the TFTP server you wish to use to upload and download
configurations. See Configuration Loader in Chapter 3, Initial Startup and
Configuration, and the documentation for your TFTP server.
February 2001
8-1
8. IP Addressing
Review the following information in preparation for selecting an IP addressing
scheme.
„
„
Any legal host address is allowed for a given subnet. The address choice
within the subnet is arbitrary.
A single route to a subnet is all that is needed to reach every device on a
subnet. The unit’s routing table supports a maximum of 20 routes.
IP Addressing Example
See Figure 8-1, Peer IP Address Assignments, for an example of an IP addressing
scheme. In the example, the Peer IP Address:
„
„
Refers to the IP address of the unit configured as an NTU.
Is assigned by the LTU.
DSLAM
MCC
MCC
LTU
87xx
NTU
MCC Base
Address = 126.35.50.1
Port 1
Peer IP Address = 126.35.1.5
Port 2
Peer IP Address = 126.35.1.1
Port 3
Peer IP Address = 126.35.1.2
Port 4
Peer IP Address = 126.35.1.3
DSLAM
MCC Base Subnet
Mask = 255.255.255.0
79xx NTU Backplane
Address = 126.35.50.1
79xx
79xx
MCC Backplane
Address = 126.35.1.1
MCC Backplane
Mask = 255.255.255.0
99-16040-02
LTU Backplane
Address = 126.35.1.16
Figure 8-1.
8-2
Peer IP Address Assignments
February 2001
8786-A2-GB20-20
Configuration Options
A
Overview
The tables in this appendix summarize the configuration options accessed when
you select Configuration on the Main Menu. The configuration options are
arranged into groups based upon functionality.
Select . . .
To Access the . . .
To Configure the . . .
Network
Network Interface Options (Table A-1)
DSL network interface
Ports 1–2.
G.703
G.703 Interface Options (Table A-2)
G.703 Ports 1–2.
Copy Ports
Copy Ports Options (Table A-3)
DSL network and G.703
DTE interface ports by
copying options from port to
port.
System
System Options (Table A-4)
General system options of
the unit.
Management
and
Communication
„
„
„
„
Telnet Session Options (Table A-5)
General SNMP Management
Options (Table A-6)
Management support of the
unit through SNMP and
Telnet.
SNMP NMS Security Options
(Table A-7)
SNMP Traps Options (Table A-8)
NOTE:
All changes to configuration options must be saved. Refer to Saving
Configuration Changes in Chapter 3, Initial Startup and Configuration.
8786-A2-GB20-20
February 2001
A-1
A. Configuration Options
Network Interface Options
For Network Interface Options, refer to Table A-1, Network Interface Options. To
access the Network Interface Options screen, follow this menu selection
sequence:
Main Menu → Configuration → Current Configuration → Network
main/config/network
Slot 4
Port 3
Hotwire
Model: 8786
NETWORK INTERFACE OPTIONS
Margin Threshold:
Excessive Error Rate Threshold:
AutoRate
DSL Line Rate
–3db
1E–6
Disable
400 Kbps
Peer IP Address:
111.255.255.000
Circuit Identifier:
Clear
Clear
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
Table A-1.
Network Interface Options (1 of 2)
Margin Threshold
Possible Settings: –5db, –4db, –3db, –2db, –1db, 0db, 1db, 2db, 3db, 4db, 5db, 6db,
7db, 8db, 9db, 10db
Default Setting: 0db
Determines the level, expressed in decibels, at which a signal-to-noise margin condition is
recognized.
–5db to 10db – Sets the margin threshold to this value.
Excessive Error Rate Threshold
Possible Settings: 1E–4, 1E–5, 1E–6, 1E–7, 1E–8, 1E–9
Default Setting: 1E–6
Determines the error rate at which an excessive error rate (EER) condition is recognized.
The rate is the ratio of the number of CRC errors to the number of bits received in a
certain period.
1E–4 to 1E–9 – Sets the error rate threshold to this value.
A-2
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-1.
Network Interface Options (2 of 2)
AutoRate
Possible Settings: Enable, Disable
Default Setting: Disable
Determines whether the unit automatically adjusts to the best line rate for conditions, or is
fixed at the rate in the DSL Line Rate field. The automatically set rate cannot exceed DSL
Line Rate.
„
AutoRate is only available when the unit is configured as an LTU.
Enable – The LTU is set to adjust to the best line rate.
Disable – The LTU’s line rate is the selected DSL Line Rate.
DSL Line Rate
Possible Settings: 400, 528, 784, 1040, 1552, 2064
Default Setting: 2064
Determines the fixed line rate of the LTU when AutoRate is disabled, and the maximum
rate to which the unit can be set when AutoRate is enabled.
„
DSL Line Rate is only available when the unit is configured as an LTU.
400 – 2064 – The DSL Line rate is set to the specified rate, in kbps.
NOTE: For associated payload rates, refer to Table 3-1, Fixed Rate Payload Rates and
DSL Line Rates, in Chapter 3, Initial Startup and Configuration.
Peer IP Address
Possible Settings: 001.000.000.000 – 223.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the peer IP address providing the remote management link on the DSL loop.
The Peer IP Address is only available when the unit is configured as an LTU.
„
Peer IP Address is only available when the unit is configured as an LTU and the unit
is not running in IP Conservative mode.
001.000.000.000 – 223.255.255.255 – Enter an address for the peer unit. The range for
the first byte is 001 to 223, with the exception of 127. The range for the remaining three
bytes is 000 to 255. The IP address must be in the same subnet as the MCC backplane
address.
Clear – Clears the IP address and sets to all zeros.
Circuit Identifier
Possible Settings: ASCII text field, Clear
Default Setting: [blank]
Uniquely identifies the circuit number of the transmission vendor's DSL line for
troubleshooting purposes.
ASCII text field – Enter a maximum of 128 characters. All printable ASCII characters
except the ^ (caret) are allowed.
Clear – Clears the field.
8786-A2-GB20-20
February 2001
A-3
A. Configuration Options
G.703 Interface Options
For G.703 Interface Options, refer to Table A-2, G.703 Interface Options. To
access the G.703 Interface Options screen, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration → G.703
main/config/G.703
Slot: 4
Port: 2
Hotwire
Model: 8786
G.703 INTERFACE OPTIONS
Port
Line
Line
Time
Send
Status:
Coding:
Framing:
Slot 16:
(AIS) on Network Failure:
Primary Clock Source:
Enable
HDB3
noCRC4
Signaling
Enable
G703
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-4
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-2.
G.703 Interface Options (1 of 2)
Port Status
Possible Settings: Enable, Disable
Default Setting: Enable
Determines whether the port can be configured and used.
Enable – The port can be configured and used.
Disable – The port cannot be configured or used. Configuration fields for the port are
inaccessible, no alarms or traps associated with the port are generated, and the LED
associated with the port is OFF.
Framing
Possible Settings: Framed, Unframed
Default Setting: Framed
Specifies whether G.704 framing is used for the G.703 interface.
Framed – The unit conforms to G.704 framing.
Unframed – G.704 framing is disabled.
Line Coding
Possible Settings: AMI, HDB3
Default Setting: HDB3
Specifies the line coding format to be used by the G.703 interface.
AMI – Indicates the line coding format used by the G.703 interface is Alternate Mark
Inversion (AMI).
HDB3 – Indicates the line coding format used by the G.703 interface is HDB3.
Line Framing
Possible Settings: CRC4, noCRC4
Default Setting: noCRC4
Specifies the framing format to be used by the G.703 interface.
„
Line Framing is only available when the unit is configured as an LTU, AutoRate is
disabled, and the DSL Line rate is 2064 kbps. Otherwise the noCRC4 framing
format is used. The NTU is automatically configured to match the framing format
used by the LTU.
CRC4 – CRC4 framing formatting is used for transmitted and received data over the
G.703 Interface.
noCRC4 – Non-CRC4 framing format is used for transmitted and received data over the
G.703 Interface.
8786-A2-GB20-20
February 2001
A-5
A. Configuration Options
Table A-2.
G.703 Interface Options (2 of 2)
Time Slot 16
Possible Settings: Signaling, Data
Default Setting: Signaling
Specifies whether the G.703 interface is used for voice or data.
Signaling – Time slot 16 is used for signaling (the unit is in voice mode).
Data – Time slot 16 is used for data (the unit is in data mode).
NOTE: For associated DSL line rates and payload rates refer to Table 3-1, Fixed Rate
Payload Rates and DSL Line Rates, in Chapter 3, Initial Startup and Configuration.
Send (AIS) on Network Failure
Possible Settings: Enable, Disable
Default Setting: Enable
Specifies the action taken on the signal transmitted to the G.703 when a valid signal
cannot be recovered from the network interface (LOS or OOF).
Enable – An Alarm Indication Signal (AIS) is sent to the DTE in the event an LOS or
continuous OOF condition exists on the network interface.
Disable – The failed signal on the interface is sent to the DTE in the event an LOS or
continuous OOF condition exists on the network interface.
Primary Clock Source
Possible Settings: Internal, G.703
Default Setting: Internal
Determines the primary clock source for the unit in Bypass mode.
„
Primary Clock Source is available only when the unit is configured as an LTU.
Internal – The clock source is derived from the internal oscillator.
G703 – Specifies the unit’s G.703 interface as primary clock source.
Secondary Clock Source
Possible Settings: Internal, G.703
Default Setting: Internal
Determines the secondary clock source for the unit.
„
Secondary Clock Source is available only when the unit is configured as an LTU.
Internal – Clocking is derived from the internal oscillator.
G703 – The unit’s G.703 interface is the secondary clock source.
A-6
February 2001
8786-A2-GB20-20
A. Configuration Options
Copy Port Options
You can copy the configuration options of G.703 interface and DSL loop to another
using the Copy Ports screen. For Copy Ports options, refer to Table A-3, Copy
Ports Options. To access the Copy Ports screen, follow this menu selection
sequence:
Main Menu → Configuration → Current Configuration → Copy Ports
main/config/copy
Slot 4
Hotwire
Model: 8786
COPY PORTS
From:
To:
Port 1:
Port 2:
Perform Copy
Perform Copy Then Increment
-------------------------------------------------------------------------------ESC for previous menu
MainMenu
Exit
Save
Table A-3.
Copy Ports Options
From: Port n
Possible Settings: 1, 2
Default Setting: 1
Controls the source of the configuration options.
1– 2 – The configuration of the selected port is copied.
To: Port y
Possible Settings: 1, 2, All
Default Setting: 2
Controls the target of the configuration options.
1– 2 – The configuration of the selected port is replaced. If Perform Copy Then Increment
is selected, the port number is incremented by 1 after the copy.
All – The configurations of all ports are replaced by the configuration of the selected
From: Port.
NOTE: Peer IP Address and Circuit Identifier are not copied.
8786-A2-GB20-20
February 2001
A-7
A. Configuration Options
System Options
For System Options, refer to Table A-4, System Options. To access the System
Options screen, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration → System
main/config/system
Slot 4
Hotwire
Model: 8786
SYSTEM OPTIONS
DSL Mode:
Test Timeout:
Test Duration (min):
LTU
Enable
10
G.703 Line Termination
120 Ohm
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-8
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-4.
System Options
DSL Mode
Possible Settings: LTU, NTU
Default Setting: LTU
Controls whether the unit is configured as a control unit or tributary unit.
LTU – The unit is configured as a control unit (Line Termination Unit).
NTU – The unit is configured as a tributary unit (Network Termination Unit). This unit will
request its IP address from the LTU during establishment of the PPP link.
NOTE: Changing this option will reset the card.
Test Timeout
Possible Settings: Enable, Disable
Default Setting: Enable
Allows tests to end automatically. The feature should be enabled when the unit is remotely
managed, so that control can be regained after a test is accidentally executed.
Enable – Loopback and pattern tests end when test duration is reached.
Disable – Tests run until manually terminated from the Network Tests screen or remotely
(network initiated tests). Refer to Running Network Tests in Chapter 5, Testing.
Test Duration (min)
Possible Settings: 1 – 120
Default Setting: 10
Number of minutes for a test to be active before automatically ending.
„
Test Duration (min) option appears when Test Timeout is enabled.
1 – 120 – Amount of time in minutes for a test to run before terminating.
G.703 Line Termination
Possible Settings: 75 ohms, 120 ohms
Default Setting: 120 ohms
Specifies the impedance of the G.703 interface
75 ohms – The G.703 interface impedance is 75 ohms unbalanced.
120 ohms – The G.703 interface impedance is 120 ohms balanced.
8786-A2-GB20-20
February 2001
A-9
A. Configuration Options
Management and Communication Menu
The Management and Communication menu allows you to access the following:
„
„
„
„
Telnet Session Options (Table A-5)
General SNMP Management Options (Table A-6)
SNMP NMS Security Options (Table A-7)
SNMP Traps Options (Table A-8)
Telnet Session Options
Telnet Session configuration options control whether a Telnet session is allowed
through an interconnected IP Network. If allowed, these options determine what
level of security applies to the session to control access. Only one Telnet session
is allowed at a time. Initial values are determined by the configuration you currently
have loaded.
To access the Telnet Session Options screen, follow this menu selection
sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → Telnet Session
main/config/management/telnet
Slot 4
Hotwire
Model: 8786
TELNET SESSION OPTIONS
Telnet Session:
Telnet Login Required:
Session Access Level:
Inactivity Timeout:
Disconnect Time (Minutes)
Enable
Enable
Administrator
Enable
5
-------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-10
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-5.
Telnet Session Options
Telnet Session
Possible Settings: Enable, Disable
Default Setting: Enable
Specifies if the unit will respond to a Telnet session request from a Telnet client on an
interconnected IP network.
Enable – Allows Telnet sessions between the unit and a Telnet client.
Disable – No Telnet sessions allowed.
Telnet Login Required
Possible Settings: Enable, Disable
Default Setting: Disable
Specifies whether a user ID and password are required to access to the ATI through a
Telnet session. Login IDs are created with a password and access level. Refer to Creating
a Login in Chapter 7, Security.
Enable – Security is enabled. When access is attempted via Telnet, the user is prompted
for a Login ID and password.
Disable – No Login required for a Telnet session.
Session Access Level
Possible Settings: Administrator, Operator
Default Setting: Administrator
The Telnet session access level is interrelated with the access level of the Login ID. Refer
to ATI Access Levels in Chapter 7, Security, for more information.
Administrator – This is the higher access level, permitting full control of the unit. Access
level is determined by the Login ID. If Telnet Login Required is disabled, the session
access level is Administrator.
Operator – This is the lower access level, permitting read-only access to status and
configuration screens.
Inactivity Timeout
Possible Settings: Enable, Disable
Default Setting: Disable
Provides automatic logoff of a Telnet session.
„
Inactivity Timeout is not available if the unit is in a DSLAM running in
IP Conservative mode; this option is forced to Enable.
Enable – The Telnet session terminates automatically after the Disconnect Time.
Disable – A Telnet session will not be closed due to inactivity.
8786-A2-GB20-20
February 2001
A-11
A. Configuration Options
Table A-5.
Telnet Session Options
Disconnect Time (Minutes)
Possible Settings: 1 – 60
Default Setting: 5
Number of minutes of inactivity before a Telnet session terminates automatically. Timeout
is based on no keyboard activity.
„
Disconnect Time (minutes) appears when Inactivity Timeout is enabled. It does not
appear when the unit is connected to a DSLAM card running in IP Conservative
mode.
1 – 60 – The Telnet session is closed after the selected number of minutes.
General SNMP Management Options
To access the General SNMP Management Options screen, follow this menu
selection sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication →General SNMP Management
main/config/management/SNMP
Slot: 4
Hotwire
Model: 8786
GENERAL SNMP MANAGEMENT OPTIONS
SNMP Management:
Enable
Community Name 1:
Name 1 Access:
Community Name 2:
Name 2 Access:
Public
Read/Write
Public
Read/Write
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-12
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-6.
General SNMP Management Options
SNMP Management
Possible Settings: Enable, Disable
Default Setting: Disable
Enables or disables the SNMP management features.
Enable – Enables SNMP management capabilities.
Disable – Disables SNMP management capabilities.
Community Name 1
Possible Settings: ASCII text field
Default Text: Public
Identifies the name of the community allowed to access the unit’s MIB. The community
name must be supplied by an external SNMP manager when that manager attempts to
access an object in the MIB.
ASCII text field – Enter or edit a community name.
Clear – Clears the community name field.
Name 1 Access
Possible Settings: Read, Read/Write
Default Setting: Read
Determines the access level for Community Name 1.
Read – Allows read-only access (get) for Community Name 1.
Read/Write – Allows read/write access (get) for Community Name 1.
Community Name 2
Possible Settings: ASCII text field
Default Text: [null string]
Identifies the name of the second community allowed to access the unit’s MIB. The
community name must be supplied by an external SNMP manager when that manager
attempts to access an object in the MIB.
ASCII text field – Enter or edit a community name.
Clear – Clears the community name field.
Name 2 Access
Possible Settings: Read, Read/Write
Default Setting: Read
Determines the access level for Community Name 2.
Read – Allows read-only access (get) for Community Name 2.
Read/Write – Allows read/write access (get/set) for Community Name 2.
8786-A2-GB20-20
February 2001
A-13
A. Configuration Options
SNMP NMS Security Options
To access the SNMP NMS Security Options screen, follow this menu selection
sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → SNMP NMS Security
main/config/management/security
Slot: 4
Hotwire
Model: 8786
SNMP NMS SECURITY OPTIONS
NMS IP Validation:
Number of Managers:
NMS
NMS
NMS
NMS
NMS
1
2
3
4
5
IP
IP
IP
IP
IP
Address:
Address:
Address:
Address:
Address:
135.014.040.001
135.014.003.027
135.014.001.008
135.014.002.024
204.128.146.035
Enable
2
Clear
Clear
Clear
Clear
Clear
Access
Access
Access
Access
Access
Type:
Type:
Type:
Type:
Type:
Read/Write
Read/Write
Read
Read
Read
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-14
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-7.
SNMP NMS Security Options
NMS IP Validation
Possible Settings: Enable, Disable
Default Setting: Disable
Specifies whether security checking is performed on the IP address of SNMP
management systems attempting to access the node.
Enable – Security checking is performed on the IP address of SNMP management
systems attempting to access the node.
Disable – No security checking is performed.
Number of Managers
Possible Settings: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Default Setting: 1
Specifies the number of SNMP management systems that can send SNMP messages.
1 – 10 – Number of trap managers. An NMS IP address is required for each manager.
NMS n IP Address
Possible Settings: 001.000.000.000 – 223.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the Internet Protocol address used to identify each SNMP manager.
001.000.000.000 – 223.255.255.255 – Enter an address for each SNMP manager. The
range for the first byte is 001 to 223, with the exception of 127. The range for the
remaining three bytes is 000 to 255.
Clear – Clears the IP address and sets to all zeros.
Access Level
Possible Settings: Read, Read/Write
Default Setting: Read
Determines the access level allowed for an authorized NMS when IP address validation is
being performed.
Read – Allows read-only access (get) to the accessible objects in the MIB for this device.
Read/Write – Allows read/write access (get/set) to the accessible objects in the MIB for
this device.
8786-A2-GB20-20
February 2001
A-15
A. Configuration Options
SNMP Trap Options
To access the SNMP Traps Options screen, follow this menu selection sequence:
Main Menu → Configuration → Current Configuration →
Management and Communication → SNMP Traps
main/config/management/trap
Slot: 4
Hotwire
Model: 8786
SNMP TRAPS OPTIONS
SNMP Traps:
Enable
Number of Trap Managers: 5
NMS
NMS
NMS
NMS
NMS
135.014.040.001
135.014.003.027
135.014.001.008
135.014.002.024
204.128.146.035
Clear
Clear
Clear
Clear
Clear
1
2
3
4
5
IP
IP
IP
IP
IP
Address:
Address:
Address:
Address:
Address:
General Traps:
Enterprise Specific Traps:
Link Traps:
Link Traps Interfaces:
Both
Disable
Both
All
------------------------------------------------------------------------------Ctrl-a to access these functions, ESC for previous menu
MainMenu
Exit
Save
A-16
February 2001
8786-A2-GB20-20
A. Configuration Options
Table A-8.
SNMP Traps Options (1 of 2)
SNMP Traps
Possible Settings: Enable, Disable
Default Setting: Disable
Controls the generation of SNMP trap messages.
Enable – SNMP trap messages are sent out to SNMP managers.
Disable – No SNMP trap messages are sent out.
Number of Trap Managers
Possible Settings: 1, 2, 3, 4, 5
Default Setting: 1
Sets the number of SNMP management systems that will receive SNMP traps.
„
This field is not available when the unit is running in IP Conservative mode.
1 – 5 – Number of trap managers. An NMS IP address is required for each manager.
NMS n IP Address
Possible Settings: 001.000.000.000 – 223.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the Internet Protocol address used to identify each SNMP trap manager.
„
This field is not available when the unit is running in IP Conservative mode.
001.000.000.000 – 223.255.255.255 – Enter an address for each SNMP trap manager.
The range for the first byte is 001 to 223, with the exception of 127. The range for the
remaining three bytes is 000 to 255.
Clear – Clears the IP address and sets to all zeros.
NMS n Destination
Possible Settings: IMC, DSL1, DSL2, DSL3, DSL4
Default Setting: IMC
Provides the network destination path of each trap manager.
„
NMS n Destination is available only when the unit is configured as an NTU and not
running in IP Conservative mode. Disabled ports cannot be specified.
IMC – The Internal Management Channel (IMC) is the default network destination. This is
the management interface to the MCC card in the DSLAM.
DSL1 – DSL4 – The specified port is the network destination.
General Traps
Possible Settings: Disable, Warm, AuthFail, Both
Default Setting: Both
Determines which SNMP traps are sent to each trap manager.
Disable – No general trap messages are sent.
Warm – Sends trap message for warmStart events.
AuthFail – Sends trap message for authenticationFailure events.
Both – Sends both trap messages.
NOTE: Refer to SNMP Traps in Appendix B, Standards Compliance for SNMP Traps.
8786-A2-GB20-20
February 2001
A-17
A. Configuration Options
Table A-8.
SNMP Traps Options (2 of 2)
Enterprise Specific Traps
Possible Settings: Enable, Disable
Default Setting: Disable
Determines if SNMP traps are generated for enterprise-specific events.
Enable – SNMP traps are generated for enterpriseSpecific events.
NOTE: Refer to Enterprise-Specific Traps in Appendix B, Standards Compliance for
SNMP Traps.
Disable – No enterprise-specific event traps are sent.
Link Traps
Possible Settings: Disable, Up, Down, Both
Default Setting: Both
Determines if SNMP traps are generated for link up and link down for one of the
communication interfaces.
Disable – No linkUp or linkDown SNMP traps are generated.
Up – A linkUp trap is generated when the unit recognizes that one of the communication
interfaces is operational.
Down – A linkDown trap is generated when the unit recognizes a failure in one of the
communication interfaces.
Both – Sends trap messages for detection of both linkUp and linkDown.
NOTE: Refer to linkUp and linkDown in Appendix B, Standards Compliance for SNMP
Traps.
Link Traps Interfaces
Possible Settings: Network, G.703, All
Default Setting: All
Determines if the SNMP linkUp, SNMP linkDown, and interface-related enterpriseSpecific
traps are generated for the network DSL interface and/or G.703 interface (DTE).
Network – SNMP trap messages are generated for the DSL network interface.
G.703 – SNMP trap messages are generated for the G.703 interface.
All – SNMP trap messages are generated for the DSL network interface and the G.703
interface.
A-18
February 2001
8786-A2-GB20-20
Standards Compliance for SNMP Traps
B
SNMP Traps
This section describes the unit’s compliance with SNMP standards and any
special operational features for the SNMP traps supported. The unit supports the
following traps:
„
„
„
warmStart
authenticationFailure
linkUp and linkDown
warmStart
SNMP Trap
Description
Possible Cause
warmStart
The unit has reinitialized
itself.
„
„
The trap is sent after the
unit resets and stabilizes.
Reset command.
Power disruption.
There are no
variable-bindings.
authenticationFailure
SNMP Trap
Description
Possible Cause
authenticationFailure
Failed attempts to access
the unit.
Three unsuccessful attempts
were made to enter a correct
login/password combination.
There are no
variable-bindings.
8786-A2-GB20-20
February 2001
B-1
B. Standards Compliance for SNMP Traps
linkUp and linkDown
The link SNMP traps are:
„
„
linkUp – The unit recognizes that one of the communication interfaces is
operational.
linkDown – The unit recognizes that one of the communication interfaces is
not operational.
The network and synchronous port interfaces (physical sublayer) are represented
by an entry in the MIB-II interfaces table and supported by the DS1 MIB.
The following list describes the conditions that define linkUp and linkDown:
linkUp/Down Variable-Bindings
„
ifIndex (RFC 1573)
This object provides the index into the ifTable and potentially into tables in other MIBs.
The values of ifIndex are the same for all models, although not all indexes are
supported for each model.
The ifIndex included with the trap consists of the slot number times 1000, plus:
– 2DSL Interface, Port 1
– 3DSL Interface, Port 2
– 6G.703, Port 1
– 7G.703, Port 2
„
ifAdminStatus (RFC 1573)
This object specifies the operational state of the interface:
– up(1)
DSL Network: DSL link is established.
G.703: No alarm condition exists.
– down(2)
DSL Network: DSL link is not established.
G.703: An alarm condition exists.
– testing(3)
A test is active on the interface.
„
ifOperStatus (RFC 1573)
This object contains the same value as ifAdminStatus.
„ ifType (RFC 1573)
This object is the type of interface:
– e1(19)
Used for the G.703 E1 interface.
B-2
February 2001
8786-A2-GB20-20
B. Standards Compliance for SNMP Traps
Enterprise-Specific Traps
The enterpriseSpecific trap indicates that an enterprise-specific event has
occurred. The Specific-trap field identifies the particular trap that occurred. The
following table lists the enterprise-specific traps supported by the unit:
8786-A2-GB20-20
SNMP Trap
Description
Possible Cause
enterprisePrimary
ClockFail(1)
A failure of the currently
configured primary clock
source for the unit has been
detected.
The configured clock source
is no longer operational. If
the configured clock source
is the internal clock, the
possible cause may be due
to a failure of one or more of
the unit's hardware
components.
enterprisePrimary
ClockFailClear(101)
The Clock Fail condition has
cleared.
—
enterpriseSelfTestFail(2)
A hardware failure of the
unit is detected during the
unit's self-test. The trap is
generated after the unit
completes initialization.
Failure of one or more of the
unit's hardware components.
enterpriseDeviceFail(3)
An internal device failure.
Operating software has
detected an internal device
failure.
enterpriseTestStart(5)
A test is running.
At least one test has been
started on an interface.
enterpriseConfigChange(6)
The configuration changed
via the user interface.
The trap is sent after
60 seconds have elapsed
without another change.
This suppresses the
sending of numerous traps
when multiple changes are
made in a short period of
time, as is typically the case
when changing
configuration options.
Configuration has been
changed via the ATI.
enterpriseFallback
AutoRate(13)
The LTU, set to AutoRate
enable, resynched at a
lower rate when the line
was restored after an LOS.
After a LOS condition the
units trained up at a lower
rate than the previous rate.
enterpriseFallback
AutoRateClear(113)
The fallback autorate
condition has cleared and
the units have
resynchronized at the
same rate.
The units automatically
retrained at the same rate,
were reset, or placed in fixed
rate.
enterpriseTestStop(105)
All tests have been halted.
All tests have been halted on
an interface.
February 2001
B-3
B. Standards Compliance for SNMP Traps
There are no variable-bindings for enterpriseDeviceFail and
enterpriseConfigChange. The variable-binding for enterpriseSelfTestFail
is devSelfTestResults.
The following list describes the conditions that define enterpriseFallbackAutoRate
and enterpriseFallbackAutoRateClear:
enterpriseFallbackAutoRate Variable-Bindings
„
ifIndex (RFC 1573)
This object provides the index into the ifTable and potentially into tables in other MIBs.
The values of ifIndex are the same for all models, although not all indexes are
supported for each model.
The ifIndex included with the trap consists of the slot number times 1000, plus:
– 2DSL E1 Interface, Port 1
– 3DSL E1 Interface, Port 2
– 6G.703, Port 1
– 7G.703, Port 2
„
ifAdminStatus (RFC 1573)
This object specifies the operational state of the interface:
– up(1)
DSL Network: DSL link is established.
G.703: No alarm condition exists.
– down(2)
HDSL Network: DSL link is not established.
G.703: An alarm condition exists.
– testing(3)
A test is active on the interface.
„
ifOperStatus (RFC 1573)
This object contains the same value as ifAdminStatus.
„ ifType (RFC 1573)
This object is the type of interface:
– e1(19)
Used for the G.703 E1 interface.
B-4
February 2001
8786-A2-GB20-20
B. Standards Compliance for SNMP Traps
The tests that affect the enterpriseTestStart, enterpriseTestStop, and the
variable-bindings are different for each particular interface. Diagnostic tests are
only supported on the physical E1 network and user data port interfaces. The
specific tests and variable-bindings are described in the following table.
Interface
SDSL
Network
enterpriseTestStart/Stop
Variable-Bindings
„
„
„
„
„
ifIndex (RFC 1573)
Possible Cause
„
ifAdminStatus (RFC 1573)
ifOperStatus (RFC 1573)
– Line Loopback
– Repeater Loopback
ifType (RFC 1573)
– Remote Line Loopback
– Send and Monitor 511
ifTestType (RFC 1573)
The following objects control tests
in SNMP-managed devices:
– noTest – Stops the test in
progress.
enterpriseTest Start – Any one
of the following tests is active
on the interface:
„
enterpriseTest Stop – No tests
currently running on the
interface.
– testLoopLLB – Initiates a Local
Loopback.
– testLoopRLB – Initiates a
Remote Loopback.
– testSendMon511 – Initiates a
Send and Monitor 511 test.
– testSendLLBUp – Initiates an
LLB Up message to the remote
unit.
– testSendLLBDown – Initiates an
LLB Down message to the
remote unit.
G.703
„
„
„
„
ifIndex (RFC 1573)
ifAdminStatus (RFC 1573)
ifOperStatus (RFC 1573)
ifTestType (RFC 1573)
The following objects control tests
in SNMP-managed devices:
– noTest – Stops the test in
progress.
– testLoopExternalDTE
8786-A2-GB20-20
February 2001
B-5
B. Standards Compliance for SNMP Traps
B-6
February 2001
8786-A2-GB20-20
Connector Pin Assignments
C
Overview
This section lists the pin assignments for the front panel 50-pin DTE connector. For
information about the DSLAM connectors, see the appropriate DSLAM installation
document.
Front Panel 50-Pin DTE Connector Pinouts
50
The DTE connectors on the Hotwire 8786 TDM SDSL Termination Unit provide the
4-wire G.703 interface from each DSL port to the DTE. The following table lists the
pin assignments for each of these interfaces.
26
25
1
G.703 Port
97-15323
50-Pin
Connector
Pinout
Function
30
Data Out (Ring)
5
Data Out (Tip)
29
Data In (Tip)
4
Data In (Ring)
27
Data Out (Ring)
2
Data Out (Tip)
26
Data In (Tip)
1
Data In (Ring)
Port 2
Port 1
8786-A2-GB20-20
February 2001
C-1
C. Connector Pin Assignments
C-2
February 2001
8786-A2-GB20-20
Technical Specifications
D
Specifications
Criteria*
Size
Length: 10 inches (25.4 cm)
Height: 12.3 inches (31.1 cm)
Width: 0.8 inch (2.0 cm)
Weight
Approximately 1.3 lbs. (0.6 kg)
Approvals
Safety Certifications
Refer to the equipment's label for approvals on product.
Power
The Hotwire 8786 TDM SDSL Termination Unit contains a
DC-to-DC converter that requires –48V power input. The
–48V power is distributed through the Hotwire DSLAM
backplane.
Maximum Power Dissipation: 19 watts
Result: 64.83 Btu/hr
Physical Environment
Operating temperature
32° to 122° F (0° to 50° C)
Storage temperature
–4° F (–20° C) to 158° F (70° C)
Relative humidity
5% to 85% (noncondensing)
Shock and vibration
Withstands normal shipping and handling.
* Technical specifications are subject to change without notice.
8786-A2-GB20-20
February 2001
D-1
D. Technical Specifications
D-2
February 2001
8786-A2-GB20-20
Glossary
511
A random bit test 511 bytes in length.
AIS
Alarm Indication Signal. A signal transmitted downstream instead of the normal signal to
preserve transmission continuity and to indicate to the rest of the network that a fault exists.
Also called a Blue Alarm.
AMI
Alternate Mark Inversion. A line coding technique used to accommodate the ones density
requirements of E1 or T1 lines.
ATI
Asynchronous Terminal Interface. A menu-driven, VT100-compatible system for configuring
and managing the termination unit.
BPV
Bipolar Violation. In a bipolar signal, a one (mark, pulse) which has the same polarity as its
predecessor.
bridged tap
Any part of the local loop that is not in the direct talking path between the CO and the
service user.
CAP
Carrierless Amplitude and Phase Modulation. A transmission technology for implementing a
DSL. Transmit and receive signals are modulated into two wide-frequency bands using
passband modulation techniques.
CD
Carrier Detect. The received line signal detector. V.24 circuit 109.
CO
Central Office/Central Site. The PSTN facility that houses one or more switches serving
local telephone subscribers.
COM port
Communications port. A computer's serial communications port used to transmit to and
receive data from a modem. The modem connects directly to this port.
CP
Customer Premises.
CPE
Customer Premises Equipment. Terminal equipment on the service user's side of the
telecommunications network interface.
CPU
Central Processing Unit. The main or only computing device in a data processing system.
CRC
Cyclic Redundancy Check. A mathematical method of confirming the integrity of received
digital data.
CTS
Clear To Send. A signal indicating that the device is ready for the DTE to transmit data.
Usually occurs in response to Request To Send (RTS).
CV
Code Violation. Detected when using HDB3 coding format, this is equivalent to a BPV when
using AMI coding.
DCE
Data Communications Equipment. The equipment that provides the functions required to
establish, maintain, and end a connection. It also provides the signal conversion required for
communication between the DTE and the network.
DCLB
Data Channel LoopBack. Loops the data received from the network interface, for all DS0
channels allocated to the selected port, back to the network.
DSL
Digital Subscriber Line. The non-loaded, local-loop copper connection between the
customer and the first node within the network.
DSLAM
Digital Subscriber Line Access Multiplexer. A platform for DSL modems that provides
high-speed data transmission over traditional twisted-pair wiring.
8786-A2-GB20-20
February 2001
GL-1
Glossary
DSR
Data Set Ready. A signal from the modem to the DTE that indicates the modem is turned
ON and connected to the DTE.
DSX-1
Digital Signal Cross Connect level 1. An interconnection point for terminals, multiplexers
and transmission facilities.
DTE
Data Terminal Equipment. The equipment, such as a computer or terminal, that provides
data in the form of digital signals for transmission.
DTLB
Data Terminal LoopBack. Loopback mode that loops the data for a particular synchronous
data port back to the port just before it is combined with the rest of the T1 data stream.
DTR
Data Terminal Ready. A signal from the DTE to the modem, sent via Pin 20 of the
EIA-232 interface (V.24 circuit 108/1, /2), that indicates the DTE is turned ON and
connected to the modem.
E1
A wideband digital interface operating at 2.048 Mbps, defined by ITU recommendations
G.703 and G.704. It is used primarily outside North America.
EER
Excessive Error Rate. An error rate that is greater than the threshold that has been
configured in the device.
EIA-530-A
An Electronic Industries Association standard for a high-speed, 25-position, DCE/DTE
interface.
EOC
Embedded Operations Channel. An in-band channel between DSL devices, used for
8 kbps management data.
ES
Errored Seconds. A second with one or more error events (one or more CRC error events or
OOFs).
ESF
Extended SuperFrame. The T1 transmission standard that specifies 24 frames as an
extended superframe to be used for frame synchronization and to locate signaling bits.
Ethernet
A type of network that supports high-speed communication among systems. It is a widely
implemented standard for LANs. All hosts are connected to a coaxial cable where they
contend for network access using a Carrier Sense, Multiple Access with Collision Detection
(CSMA/CD) paradigm.
ETSI
European Telecommunications Standardization Institute. An organization that produces
technical standards in the area of telecommunications.
factory defaults
A predetermined set of configuration options containing the optimum settings for operation
on asynchronous dial networks.
FAS
Frame Alignment Signal. A loss of frame (LOF) error detection.
FAW
Frame Alignment Word. A loss of synchronization error detection.
FCC
Federal Communications Commission. The Board of Commissioners that regulates all
electrical communications that originate in the United States.
FDL
Facility Data Link. The selected framing bits in the ESF format used in a wide-area link that
are used for control, monitoring, and testing.
FEBE
Far-End Block Error. Block errors reported by remote equipment.
frame
One identifiable group of data bits that includes a sequence of bits for control and
identification information.
framer
A program or device that assembles and disassembles frames.
frame relay
A high-speed connection-oriented packet switching WAN protocol using variable-length
frames.
GL-2
February 2001
8786-A2-GB20-20
Glossary
FTP
File Transfer Protocol. A TCP/IP standard protocol that allows a user on one host to access
and transfer files to and from another host over a network, provided that the client supplies
a login identifier and password to the server.
G.703
An ITU recommendation for the physical and logical characteristics of hierarchical digital
devices.
G.704
An ITU recommendation for synchronous frame structures.
HDB3
High Density Bipolar Three Zeros Substitution. A line coding technique used to
accommodate the ones density requirements of E1 lines.
HDSL
High-bit-rate Digital Subscriber Line. A technique for high bandwidth, bidirectional
transmission over copper wire for T1 and E1 services.
IP
Internet Protocol. An open networking protocol used for internet packet delivery.
IP address
Internet Protocol address. The address assigned to an internet host.
LAN
Local Area Network. A privately owned and administered data communications network
limited to a small geographic area.
LED
Light Emitting Diode. A light or status indicator that glows in response to the presence of a
certain condition (e.g., an alarm).
LIU
Line Interface Unit. A physical layer data transmitter and receiver.
LLB
Line LoopBack. A test in which the received signal on the network interface is looped back
to the network without change.
loopback
A diagnostic procedure that sends a test message back to its origination point. Used to test
various portions of a data link in order to isolate an equipment or data line problem.
LOS
Loss of Signal. The line condition where there are no pulses.
LTU
Line Termination Unit. The control unit on the network end of a link. (The NTU is on the
customer premises end.)
MCC
Management Communications Controller. The DSLAM circuit card used to configure and
monitor the DSLAM.
MIB
Management Information Base. A database of managed objects used by SNMP to provide
network management information and device control.
MIB II
MIB Release 2. The current Internet-standard MIB, defined by RFC 1213.
MTSO
Mobile Telephone Switching Office. A generic name for the main cellular switching center
which supports multiple base stations.
NMS
Network Management System. A computer system used for monitoring and controlling
network devices.
NTU
Network Termination Unit. The unit on the customer premises end of a link. (The LTU is on
the network end.)
OOF
Out Of Frame. An error condition in which frame synchronization bits are in error.
PPP
Point-to-Point Protocol. A protocol for packet transmission over serial links, specified by
Internet RFC 1661.
receiver
A circuit that accepts data signals from a transmitter.
reset
A reinitialization of the device that occurs at power-up or in response to a reset command.
RLB
Repeater LoopBack. Loops the signal being sent to the network back to the DTE
Drop/Insert and data ports after it has passed through the framing circuitry of the device.
8786-A2-GB20-20
February 2001
GL-3
Glossary
router
A device that connects LANs by dynamically routing data according to destination and
available routes.
RS-449
An Electronic Industries Association's standard for a general-purpose, 37-position,
DCE/DTE interface.
RTS
Request to Send. A signal from the DTE to the device, indicating that the DTE has data to
send. V.24 circuit 105.
RXD
Received Data. Pin 3 of the EIA-232 interface that is used by the DTE to receive data from
the modem. Conversely, the modem uses Pin 3 to transmit data to the DTE.
SDSL
Symmetric Digital Subscriber Line. A technique for the use of an existing twisted-pair line
that permits high bandwidth, bidirectional transmission.
SES
Severely Errored Seconds. Usually defined as a second during which a specific number of
CRC errors was exceeded, or an OOF or other critical error occurred.
SNMP
Simple Network Management Protocol. Protocol for open networking management.
T1
A term for a digital carrier facility used to transmit a DS1 formatted digital signal at
1.544 Mbps. It is used primarily in North America.
TCP/IP
Transmission Control Protocol/Internet Protocol. The dominant protocol suite in the
worldwide Internet, TCP allows a process on one machine to send data to a process on
another machine using the IP. TCP can be used as a full-duplex or one-way simplex
connection.
TDM
Time Division Multiplexer. A device that enables the simultaneous transmission of multiple
independent data streams into a single high-speed data stream by simultaneously sampling
the independent data streams and combining these samples to form the high-speed
stream.
Telnet
Virtual terminal protocol in the Internet suite of protocols. Allows the user of one host
computer to log into a remote host computer and interact as a normal terminal user for that
host.
TFTP
Trivial File Transfer Protocol. A standard TCP/IP protocol that allows simple file transfer to
and from a remote system without directory or file listing. TFTP is used where FTP is not
available.
transceiver
A circuit capable of acting as both a transmitter and a receiver.
transmitter
A circuit capable of generating, modulating, and sending a signal for communication,
control, and other purposes.
TXD
Transmit Data. Pin 2 of the EIA-232 interface that is used by the DTE to transmit data to the
modem. Conversely, the modem uses Pin 2 to receive data from the DTE.
UNIX
An operating system developed at AT&T Bell Laboratories and since used as the basis of
similar operating systems.
V.35
An ITU-T standard for a high-speed, 34-position, DCE/DTE interface.
WAN
Wide Area Network. A network that spans a large geographic area.
X.21
An ITU-T standard for a high-speed, 15-position, DCE/DTE interface.
Yellow Alarm
An outgoing signal transmitted when a DS1 or DS3 terminal has determined that it has lost
the incoming signal.
GL-4
February 2001
8786-A2-GB20-20
Index
A
C
Abort All Tests, 5-1, 5-9
access
Community Name, A-13
level
effective, 7-1
functions available for, 7-1
SNMP, 7-4
to asynchronous terminal interface, 2-1, 7-1
Access Level
NMS, A-15
Telnet, A-11
Administer Logins, 7-2
Administrator
ATI access level, 7-1
Telnet Access Level, A-11
AIS (Alarm Indication Signal)
Send on Network Failure, A-6
status message, 4-3
Alarm LED, 4-15
applying downloaded firmware, 3-9
approvals, safety certifications, D-1
ASCII, printable characters, 3-2
ATI (Asynchronous Terminal Interface)
access, 2-1
defined, 1-2
ending a session, 2-9
starting a session, 2-2
virtual function keys, 2-7
authentificationFailure, B-1
AutoRate
capability, 1-2
ceiling (DSL Line Rate), A-3
enabling/disabling, 3-10, A-3
resetting, 3-11
Card Failed
self-test result, 4-5
status message, 4-3
Change Identity information, 3-2
Circuit Identifier, A-3
Clock
Failed, status message, 4-4
Source, Primary and Secondary, A-6
Community Name
1 and 2, A-13
Access, A-13
for SNMP, 7-4
Configuration
AutoRate, 3-10
Configuration Loader, 3-5
Copy Port Options, A-7
Current and Default Factory, 3-4
Edit/Display menu, 3-4
examples, 1-3
G.703 Interface Options, A-4
General SNMP Management
assigning access, 7-4
Options, A-12
load from, 3-3
Network Interface Options, A-2
option tables, A-1
saving changes, 3-7
SNMP
NMS Security, 7-4
NMS Security Options, A-14
Traps, 6-2
Traps Options, A-16
System Options, A-8
Telnet Session Options, A-10
connectors, DTE, C-1
Control menu
Administer Logins, 7-2
Apply Download, 3-9
Change Identity, 3-2
Download Code, 3-8
Reset AutoRate, 3-11
Reset Device, 3-12
Copy Ports, A-7
CPU Fail, self-test result, 4-5
creating a login ID, 7-2
customer configuration areas, 3-3
B
Btu/hr, D-1
8786-A2-GB20-20
February 2001
IN-1
Index
D
F
deleting a Login ID, 7-3
Destination, SNMP traps, A-17
Device
and test monitoring, 1-2
Name, 3-2
Tests, 5-8
diagnostics, 1-2
dimensions, D-1
Disconnect Time for Telnet session, A-12
DLB Test Active, status message, 4-5
documents, related, vi
DOS, TFTP server on, 3-6
Download Failed, status message, 4-3
downloading
a configuration, 3-6
firmware, 3-8
DSL
Line Rate, A-3
Fixed Rate, 3-11
Payload Rate, 3-11
Mode, A-9
Port LEDs, 4-15
DSLAM
ending a session, 2-9
login, 2-2
management serial port, 1-2, 2-1
DTE
connector pin assignments, C-1
Loopback, 5-5
factory defaults, 3-3–3-4
Failure, self-test result, 4-5
Fallback Rate, status message, 4-3
features, 1-2
Framing, A-5
Line, A-5
function keys, 2-7
and message area, 2-5
E
EER (Excessive Error Rate)
status message, 4-3
effective access level, 7-1
Embedded Operations Channel (EOC), 1-2
ending
an ATI session, 2-9
tests, 5-9
Enterprise Specific Traps, A-18, B-3
environment requirements, D-1
error
messages (line 24), 6-3
statistics, 4-6
Excessive Error Rate (EER) Threshold, A-2
IN-2
G
G.703
DTE Loopback, 5-5
Failed, self-test result, 4-5
Interface
Line Termination, A-9
Options, A-4
Performance Statistics, 4-12
Repeater Loopback, 5-4
General
SNMP Management
assigning access, 7-4
Options, A-12
Traps sent, A-17
H
Health and Status messages, 4-3
I
Identity, 3-2
IMC, defined, 1-2
Inactivity Timeout, Telnet session, A-11
intended audience, v
IP address
DSL peer, A-3
example, 8-2
NMS, A-15, A-17
selecting, 8-1
SNMP manager, 7-4
IP Conservative, IP addressing depends upon, 8-1
IP Validation, NMS security, A-15
K
keys
function, 2-7
keyboard, 2-6
February 2001
8786-A2-GB20-20
Index
L
lamp test, 5-8
status message, 4-5
LEDs, 4-14
lamp test, 5-8
Line
Coding format, A-5
Framing, A-5
Loopback (LLB), 5-3
Termination, G.703, A-9
Link
Trap
Interfaces, A-18
Traps, A-18
Up LEDs, 4-15
link-layer protocols, 8-1
linkUp and linkDown traps, B-2
LLB Test Active, status message, 4-5
local
Line Loopback (LLB), 5-3
management features, 1-2
LOF (Loss Of Frame), status message, 4-3
Login
DSLAM, 2-2
ID
access levels, 7-1, 7-3
adding, 7-2
ASCII, printable characters, 7-3
deleting, 7-3
Telnet requirement, A-11
Loopback
DTE, 5-5
Line, 5-3
Remote Send Line, 5-6
Repeater, 5-4
LOS (Loss Of Signal), status message, 4-4
LTU, DSL Mode, A-9
M
main menu, 2-3
Management
and Communication Options, A-10
basic MIBs, 1-4
enabling/disabling SNMP, A-13
General SNMP Options, A-12
port settings, 2-1
SNMP, 1-4
Margin Threshold, A-2
MCC
defined, 1-2
IP addressing scheme, 8-1
restoring access to the ATI, 3-12
Memory Fail, status, 4-5
8786-A2-GB20-20
menu hierarchy, 2-4
messages
alarm and device, 6-1, 6-3
health and status, 4-3
self-test results, 4-5
test status, 4-5
MIB support, 1-4
Mismatch Rate, status message, 4-4
Mode
LTU, A-9
NTU, A-9
Monitor and Send 511 pattern, 5-7
monitoring, 4-1
N
navigating the screens, 2-6
Net Margin Threshold, status message, 4-4
Network
Current Performance Statistics, 4-10
DSL Failed, self-test result, 4-5
enabling/disabling AutoRate, 3-10
Error Statistics, 4-6
Interface Options, A-2
Line Loopback, 5-3
Performance Statistics, 4-8
Remote Send Line Loopback, 5-6
sample configurations, 1-3
Send AIS on Failure, A-6
tests, 5-2
NMS
Destination, A-17
IP Address, A-15
IP Validation, A-15
SNMP
access, 7-4
connectivity, 8-1
Security Options, A-14
SNMP connectivity, 8-1
No Test Active, status message, 4-5
NTU
DSL Mode, A-9
Not Supported, status message, 4-4
Number of
NMS Managers, A-15
Trap Managers, A-17
February 2001
IN-3
Index
O
S
OK LED, 4-15
OOF (Out Of Frame), status message, 4-4
Operator
ATI access level, 7-1
Telnet Access Level, A-11
options
configuration tables, A-1
options, configuration tables, A-1
overview
termination unit’s features, 1-2
user’s guide, v
safety certifications, D-1
saving configuration options, 3-7
screen area, 2-5
Secondary Clock Source, A-6
security, 7-1
options, A-14
self-test results, 4-5
Send
AIS on Network Failure, A-6
and Monitor 511, 5-7
Remote Line Loopback, 5-6
Session Access Level, Telnet, A-11
size of card, D-1
SNMP
Community Name Access, A-13
configuring traps, 6-2
General Management Options, A-12
Management
enabling/disabling, A-13
general, 1-4
limiting access, 7-4
NMS Security, 7-4
Options, A-14
system entries, 3-2
Traps
enabling/disabling, A-17
Options, A-16
support, 1-4
traps, B-1
specifications, D-1
starting an ATI session, 2-2
start-up, 2-1
status
Port, G.703, A-5
test messages, 4-5
Status menu
Network Error Statistics, 4-6
Network Performance Statistics, 4-8
Performance Statistics
Current Network, 4-8, 4-10
G.703 Statistics, 4-12
System and Test Status, 4-2
subnet
IP addresses, 8-1
System
device name field, 3-2
Identity information, 3-2
LEDs, 4-15
Operational, status message, 4-4
Options, A-8
DSL Mode, A-9
P
Passed, self-test result, 4-5
pattern test, 5-7
Payload Rates, 3-11
Peer IP Address, A-3
performance statistics
Current Network, 4-10
DSL Network, 4-8
G.703, 4-12
Network Error, 4-6
physical environment requirements, D-1
pin assignments, C-1
Port Status, A-5
power requirements, D-1
Primary Clock
Failed, status message, 4-4
Source, A-6
R
RAI (Remote Alarm Indication), status message, 4-4
Rate
Auto, A-3
DSL Line, A-3
Fallback, status message, 4-3
Mismatch, status message, 4-4
Payload, 3-11
related documents, vi
Remote
management features, 1-2
Send Line Loopback, 5-6
Repeater Loopback (RLB), 5-4
Reset
Device, from Control menu, 3-12
Slot, from MCC, 3-12
resetting
the AutoRate feature, 3-11
the unit from the Control menu, 3-12
restoring access to the ATI, 3-4, 3-12
IN-4
February 2001
8786-A2-GB20-20
Index
T
technical specifications, D-1
Telnet
Login Required, A-11
Session
access requirement, 7-1
enabling/disabling, A-11
Options, A-10
terminal port, direct connection, 2-1
test
Abort All, 5-1
aborting, 5-9
accessing menu, 5-1
Device Tests, 5-8
DTE Loopback, 5-5
ending a, 5-9
lamp, 5-8
LED, 4-15
Line Loopback, 5-3
menu, 5-1
pattern, 5-7
Remote Send Line Loopback, 5-6
Repeater Loopback, 5-4
Send and Monitor 511, 5-7
status messages, 4-5
stopping a, 5-9
Test Duration, A-9
Test Timeout, 5-9, A-9
Threshold
Excessive Error Rate, A-2
Margin, A-2
Time Slot 16, A-6
timeout
Telnet session inactivity, A-11
Test, A-9
8786-A2-GB20-20
Traps
enabling/disabling, A-17
Enterprise Specific, A-18, B-3
general traps sent, A-17
Link, A-18
Interfaces, A-18
Number of Managers, A-17
SNMP, 1-4, 6-2, B-1
Options, A-16
standards compliance, B-1
troubleshooting
configuring SNMP traps, 6-2
Current Network Performance Statistics, 4-10
DSL network performance statistics, 4-8
error statistics, 4-6
G.703 Performance Statistics, 4-12
table, 6-5
U
UNIX, TFTP server on, 3-6
uploading a configuration, 3-6
user interface
access, 3-12
how to access, 2-1
resetting the unit, 3-12
V
viewing LED status, 4-14
virtual function keys, 2-7
W
warmStart, B-1
weight, D-1
February 2001
IN-5
Index
IN-6
February 2001
8786-A2-GB20-20