Dynamix 4-Band VDSL CO/CPE Modem User`s manual

8VDSL +2 Giga Ethernet Managed 4-Band VDSL IP DSLAM
NVF-800S USER’S MANUAL
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
VDSL Solution
The 4-Band VDSL IP DSLAM networking solution delivers cost-effective, high-performance broadband access to multiunit
buildings (hotels, apartment, and multi-tenant unit office buildings) and enterprise campus environments such as
manufacturing, educational campuses, and medical facilities. VDSL technology dramatically extends Ethernet over existing
Category 1/2/3 wiring at speeds from 5/15/25 Mbps (full duplex) and distances up to 1700/1100/600 meters. The VDSL
technology delivers broadband service on the same lines as Plain Old Telephone Service (POTS), digital telephone, and
ISDN system. In addition, VDSL supports modes compatible with symmetric digital subscriber line, allowing service
providers to provision VDSL to buildings where broadband services already exist.
The 4-Band VDSL solution includes 8 ports IP DSLAM (CO side), and 4-Band VDSL converter as CPE device.
The 4-Band VDSL solution delivers everything needed to quickly deploy an Ethernet-based network with the performance
required to deliver high-speed Internet access at much greater distances and drive services like IP telephony and
audio/video streaming. With this technology, a broad range of customers can benefit from lower operating costs and rapid
deployment. The 4-Band VDSL solution provides multicast, Layer 2 quality of service (QoS), Link Aggregation (LACP)
dynamic trunking group, security, GVRP, IGMP for VOD (Video on demand) and SNMP RMON management and
Web-based NVF-800S network management.
The 4-Band VDSL IP DSLAM is a bridge between external Internet backbone through a router for IP sharing and the
building 110D telephone rack or telephone box. It utilizes the available telephone wire to enable high-speed Internet access
to building residents.
The 4-Band IP DSLAM uses the phone line networking technology endorsed by the VDSL (Very High Data Rate DSL), and
the 4-Band IP DSLAM utilizes the already existing telephone wire to deliver 5/15/25 Mbps Internet access on each RJ-45
port.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
This gives users a low-cost, end-to-end solution and eliminates the need to train installation teams on multiple systems.
8 Ports 5/15/25M 4-Band VDSL IP DSLAM + 2 10/100/1000M Giga Ethernet
The 4-Band IP DSLAM has 8 x 5/15/25M VDSL ports and 2 x 10/100/1000M Ethernet ports. The IP DSLAM is one rack-unit
(1RU) high, 10-inches deep. It is a standard Rack mounted size.
4-Band IP DSLAM deliver dedicated bandwidth per port at rates of 5/15/25 Mbps. VDSL transmissions coexist with POTS
and ISDN, and can be compatible with ADSL/HomePNA traffic in the same building. The NVF-800Ses can be configured on
a
per-NVF-800S basis to support the following modes:
z
5 Mbps symmetrical rate (up to 1700 meters)
z 15 Mbps symmetrical rate (up to 1100 meters)
z 25 Mbps symmetrical rate (up to 600 meters)
The 4-Band VDSL IP DSLAM and 4-Band VDSL Modem provide fast and easy connectivity into building patch panels with
RJ-45 connector. The 10/100/1000 Giga Ethernet ports can be used to connect servers, Ethernet NVF-800Ses. These
connectivity options provide multiple price/performance options to meet building and budget requirements.
The 4-Band IP DSLAM provides the important features necessary for robust networks:
z Class of Service: 802.1p CoS support. Provides high-and low-priority queuing on a per-port basis.
z Supports: IGMP Snooping by 512 IP multicast table for VOD (Video on demand) and video conference and internet
games application.
z Scalability: Up to 5/15/25 Mbps symmetric performance over single-pair wiring. Fast Ether Channel
port aggregation.
z Security: 802.1Q Tagging-based and 802.1V protocol-based virtual local-area network (VLAN) support. Private VLAN
access, assuring port security without requiring a VLAN per port, and also supports MAC filtering.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
z
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In band Management : IP DSLAM provides a console port for setup IP or other function.
Out of band Management: IP DSLAM supports remote control by Telnet and Web-based.
Management easy-to-use configuration and ongoing monitoring. This software is
embedded in the VDSL NVF-800S and delivers remote, intuitive management of IP
DSLAM and connected VDSL CPE devices through a single IP address.
IP DSLAMS are easy-to-configure and deploy, and offer a compelling option in terms of
cost, performance, scalability and services compared to traditional ATM-based xDSL
solutions.
IEEE-802.1d Spanning tree: This function is for MAC bridge to avoid port loop and link redundant.
IEEE-802.1ad port trunking: Namely link aggregation
Port Mirroring: This function could be mirroring and duplicate client side action as E-Mail, but need to be with mirroring
AP as Session Wall or others.
Broadcast storm filtering: This function is for avoid connecting node too much cause broadcast storm.
TFTP protocol: This function is for remote firmware upgrade, and remote setup value backup and restore.
SNMP: Support RFC-1493 bridge MIB; RFC-1213 MIB II; RFC-1643 Ethernet
MIB and RFC-1757 RMON MIB with 1,2,3,9 groups
SNR(Signal to Noise Ratio) indicator : This function is for checking CO and CPE both connecting quality over phone
wiring.
Alarm :In order to make sure system normal working, IP DSLAM provides Fan and Temperature monitor and
management, you can through WEB or Telnet to show internal temperature and Fan speed, if temperature
exceeds 70℃ or Fan speed stops, the NVF-800S will send a SNMP trap to inform of Trap management
server.
Hacker prevention: To avoid hacker to enter management system through client side, the 8 ports IP DSLAM will filter
system IP from client side for preventing hacker attacking.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
z
Supports multiple web browsers: IE, Mozilla & Netscape under Windows O/S
Mozilla & Netscape under Linux O/S
Contents
1. Unpacking Information
Check List.........................................................6
Product Guide..................................................7
2. General Description
Hardware Description......................................11
Front Panel ....................................................11
LED Indications ...............................................13
Rear Panel.......................................................14
3. Installation
Hardware Installation ......................................15
Pre-Installation Requirements.........................15
General Rules..................................................16
Connecting the IP DSLAM...............................16
Connecting “MDI-X” station Port......................16
Connecting “MDI" Port (TX) ...........................17
4. Management Configuration
4.1 In-Band Management……………………….18
4.2 Remote Network Management...................22
5. Applications ....................................................61
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Appendix A: Troubleshooting................... ......66
Appendix B: VDSL Spectrum …………………69
Appendix C: Example of VLAN Setting ……..70
FCC/CE Mark Warning ………………………….82
Warranty ............................................................83
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
1.Unpacking Information
Check List
Carefully unpack the package and check its contents against the checklist.
Package Contents
1. NVF-800S 4-Band VDSL IP DSLAM
2 x10/100/1000 Giga Ethernet ports and 8 x 5/15/25Mbps VDSL ports
2. 1xUsers manual CD
3. 1xAC Power Cord
4. 2x Rack Mounting Brackets
5. 4x Screws
6. 4x Plastic feet
Please inform your dealer immediately for any missing, or damaged parts.
If possible, retain the carton, including the original packing materials.
Use them to repack the unit in case there is a need to return for repair.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Product Guide
Product Name:2ports 10/100/1000Mbps Giga Ethernet plus 8ports 4-Band VDSL With SNMP Management IP DSLAM
‹ Application : Hotel/Campus/Hospitality/Telecom
Features
‹ Supports 5M/15M/25Mbps per port symmetrical bandwidth over phone wiring with long driver
capable1.7/1.1/0.6Km(5666/3666/1999 feet) with auto speed.
‹ Provides 2 x 10/100/1000Mbps Ethernet RJ-45 Ports with Auto MDI/MDIX
‹ Supports quality of phone wiring detected with SNR(Signal to Noise Ratio) indications
‹ Supports GARP/GVRP IEEE-802.1p/q VLAN with 256 groups static Vid or 4094 groups dynamic Vid
‹ Supports IEEE 802.1q tagging V-Lan
‹ Supports IEEE 802.1v protocol V-Lan
‹ Support port base V-Lan
‹ Supports COS IEEE-802.1p
‹ Supports Multicast IP table/IGMP v2 with 512 groups
‹ Supports LACP IEEE-802.1ad Port Trunking(Link aggregation)
‹ Supports IEEE 802.1d Spanning trees for MAC bridge with redundant link
‹ Supports port Mirroring (Sniffer)
‹ Support Broadcast Storm filtering
‹ Ethernet transport with POTS / ISDN traffic over single copper wire pair
‹ Spectral compatibility with XDSL, ISDN(2B1Q/4B3T),HomePNA
‹ Supports port security with MAC address filtering & IP limitation.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
‹ Supports Web Base and Telnet for remote management
‹ Supports system POST(Power On Self testing) LED
‹ Supports SNMP v1 RFC-1493 Bridge MIBs
RFC-1643 Ethernet MIB
RFC-1213 MIB II
Netsys Enterprise MIB(Fan and Temperature management)
‹ Supports RMON groups 1(Statistics), 2(Alarm), 3(Event), 9(History)
‹ Cascading up to 8 Units along with Giga NVF-800S
‹ Supports TFTP/XMODEM for firmware upgrade
‹ Supports In-Band/Out-of-Band Management
‹ Supports Fan & Temperature Monitor & management
‹ Surge protected for VDSL ports
‹ Splitter on board
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Product Specifications:
Compliant with IEEE 802.3 & 802.3u & 802.3ab Ethernet Standards
Compliant with ETSI, ITU, ANSI standards
10/100/1000Mbps Ethernet ports:2 x RJ-45 with auto crossover
POTS/ISDN Splitter port : 8 x RJ-45
VDSL port : 8 x RJ-45
MAC address table:8K Entries
Switching method : Store-and-forward
Flow control method by IEEE802.3x for Full Duplex & Back Pressure for Half Duplex
Compliant with GARP/GVRP IEEE 802.1p/q port-base VLAN with 256 groups static VID or 4094 dynamic VID
Compliant with IEEE 802.1v protocol-base VLAN classification
Compliant with IEEE 802.1d Spanning trees
Multicast IP table :512 groups
Compliant with IEEE 802.1p QOS by class of service with 2-level priority queuing
Compliant with LACP IEEE 802.3ad Trunking
RS-232 console port:DB-9Pin Female / 9600bps
SNMP v1 RFC-1493 Bridge MIBs
RFC-1643 Ethernet MIB
RFC-1213 MIB II
Enterprise MIBs
RMON groups 1(Statistics), 2(Alarm), 3(Event), 9(History)
Port security by MAC address filtering
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
LED indication:Power good and POST LED
Link/Active/Speed Status for Ethernet port.
Link for VDSL port.
VDSL Frequency Spectrum:
Transmitter :0.9 ~ 3.9 MHz
Receiver:4 ~ 7.9 MHz
POTS/ISDN pass filter Spectrum : 0 ~ 630 kHz
Internal Switching power adapter Input :AC 85-265 volts/50-60Hz/1A.
Dimensions: 435 x 255 x 44 mm
Operating Temperature : 0℃ ~ 50℃(32F ~ 122F)
Storage Temperature : - 20℃ ~ 65℃(-4F ~ 149F)
Humidity : 10%~90% non-condensing
Safety: FCC, CE Mark
RoHS compliant
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
2. General Description
Hardware Description
This section describes the important parts of the IP DSLAM. It features the front and rear panel drawings showing the
LED, connectors, and NVF-800S.
Front Panel
The following figure shows the front panel.
Figure Chapter 2.1 Front Panel description
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Front panel.
(1) “PWR”: Power Led light
(2) “POST”: Power On Self Testing LED light
(3) 2 X 10/100/1000 Mbps auto-negotiation Giga Ethernet ports
(4) 8 X 5/15/25 Mbps VDSL Ports.
(5) 8 X POTS/ISDN Splitter Ports.
(6) RS-232 Console Port
(7) Reset Button
IP DSLAM has embedded Splitter between every VDSL side and POTS side. It permits you to deliver broadband
service on the same lines as Plain Old Telephone Service (POTS), PBX, ISDN traffic and VDSL Signal.
Several LED indicators for monitoring the device itself, and the network status. At a quick glance of the front panel, the
user would be able to tell if the product is receiving power; if it is monitoring another IP DSLAM or IP DSLAMs; or if a
problem exists on the network.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
LED Indications
The following describes the function of each LED indicator.
LEDs Status
Descriptions
PWR
Steady
(Power LED) Green
POST
Steady
VDSL Link
Steady
10
LINK/ACT
Steady
Green
Flashing
Steady
Green
Flashing
Steady
Green
Flashing
100
LINK/ACT
1000
LINK/ACT
This LED light is located at the left side on the front panel. It will light up (ON) to show that
the product is receiving power. Conversely, no light (OFF) means the product is not
receiving power.
POST(Power On Self Testing)
POST Led will light to show system is booting now.
When system is ready the led will light off.
Each RJ11 station port on the VDSL is assigned an LED light for “Good Linkage”. Each LED
is normally OFF after the power on operation, but will light up steadily to show good linkage.
Each RJ45 station port on the Ethernet is assigned an LED light for “10M Good Linkage”.
Each LED is normally OFF after the power on operation, but will light up steadily to show
good linkage. And Flashing to show data transmission.
Each RJ45 station port on the Ethernet is assigned an LED light for “100M Good Linkage”.
Each LED is normally OFF after the power on operation, but will light up steadily to show
good linkage. And Flashing to show data transmission.
Each RJ45 station port on the Ethernet is assigned an LED light for “1000M Good Linkage”.
Each LED is normally OFF after the power on operation, but will light up steadily to show
good linkage. And Flashing to show data transmission.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Rear Panel
The following figure shows the rear panel
Figure Chapter 2.3 Rear Panel
AC Power Socket
The power cord should be plug into this socket. The AC Socket accepts AC power 85 to 265 voltage. 1A.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
3.Installation
Hardware Installation
This chapter describes how to install the IP DSLAM. To established network connection. You may install the IP DSLAM
on any level surface (table, shelf, 19 inch rack or wall mounting). However, please take note of the following minimum
site requirements before you begin.
Pre-Installation Requirements
Before you start actual hardware installation, make sure you can provide the right operating environment, including
power requirements, sufficient physical space, and proximity to other network devices that are to be connected. Verify
the following installation requirement:
z Power requirements: AC 85V to 265 V at 50 to 60 Hz.
The Switching power supply automatically adjusts to the input voltage level.
z The IP DSLAM should be located in a cool dry place, with at least 10cm/4in of space at the front and back for
ventilation.
z Place the NVF-800S out of direct sunlight, and away from heat sources or areas with a high amount of
electromagnetic interference.
z Check if network cables and connectors needed for installation are available.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
General Rules
Before making any connections to the IP DSLAM, note the following rules:
Ethernet Port (RJ-45)
All network connections to the IP DSLAM Ethernet port must be made using Category 5 UTP for 100Mbps and
Category 3,4 UTP for 10Mbps.
No more than 100 meters (about 328 feet) of cabling may be use between IP DSLAMs or with HUB or an end node.
z VDSL Port (RJ-45)
All home network connections to the VDSL
Port made using 18 ~ 26 Gauge phone wiring.
• We do not recommend using 28 Gauge or above phone line.
Connecting the IP DSLAM
The IP DSLAM has 2 10/100/1000 Mbps Giga Ethernet ports which support connection to 10/100/100Mbps Giga
Ethernet. Support full or half-duplex operation. The transmission mode is using auto-negotiation. Therefore, the
devices attached to these ports must support auto-negotiation unless they will always operate at half duplex. If
transmissions must run at full duplex, but the attached device does not support auto-negotiation, then you should
upgrade this device to a newer version that supports auto-negotiation and auto-crossover(MDI/MDIX).
Connecting “MDI-X” Station Port
1. You can connect the “9,10” port on the IP DSLAM to any device that uses a standard network interface such as a
Cable modem, ADSL modem, Ethernet Switch, workstation or server, or also to a network interconnection device
such as a bridge or router (depending on the port type implemented).
2. Prepare the network devices you wish to connect. Make sure you have installed suitable VDSL Modem before
making a connection to any of the IP DSLAM (1-8) station ports. You also need to prepare 18 ~ 26 gauge one twist
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
pair phone Line wiring with RJ-45 plugs at both ends.
3. Connect one end of the cable to the RJ-45 port of the Home Access network adapter, and the other end to any
available (1~8) station port on the VDSL. Every port supports 5/15/25 Mbps connections. When inserting an RJ-45
plug, be sure the tab on the plug clicks into position to ensure that it is properly seated.
● Do not plug a RJ-11 phone jack connector into the Ethernet port (RJ-45 port).
This may damage the VDSL.
Instead, use only twisted-pair cables with RJ-45 connectors that conform the FCC standards.
Note:
1. Be sure each twisted-pair cable (RJ-45) is not over by 100 meters (328 feet).
2. RJ-45 VDSL port use 18 ~ 26 gauge phone wiring, 28 gauge or above is not recommended.
3. We advise using Category 5 cable for Cable Modem or router connections or to attach to any high bandwidth device to
avoid any confusion or inconvenience.
Connecting “MDI” Port (TX)
Prepare straight through shielded or unshielded twisted-pair cables with RJ-45 plugs on both ends. Use 100Ω Category
5 cable for connections. Connect one end of the cable to “9,10” port of the IP DSLAM, and the other end to a standard
RJ-45 station port on cable modem, ADSL router, wireless bridge, etc. When inserting an RJ-45 plug, be sure the tab
on the plug clicks into position to ensure that it is properly seated.
Note:
Make sure the length of the twisted-pair cable is not over by 100 meters (328 feet).
4. Management Configuration
4.1 In-Band Management
Console port (RS-232) Configuration
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(Change IP Address By Terminal)
You can configure the product with the local serial console port, If one of the RJ11 port is not in use, you can disable it, that
procedure is to connect a notebook computer to the RS-232 port, then boot windows @95/98/ME/2000 system, and run
“Hyper-terminal” program into terminal window, and setup step are as follow.
1. Set “Bits per second” at 9600 to the content window.
2. Set “Flow control” at None
3. Connects PC with the IP DSLAM, you will find login manual window on the screen then enter
Login name :”admin” ; password:”123”
You will find the user manual window on the screen as following :
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
4. Operation Button:
Tab=Next Item;
BackSpace=Previous Item
Enter=Select ItemSelect
5. Set IP Address: Please follow the following steps
(1) Choose IP DSLAM Static Configuration you can enter next page
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(2) Choose Administration Configuration the you can enter next page
Choose IP Configuration you can enter IP configuration page
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(3) a. Choose Edit item to Change IP address, Subnet Mask and Gateway
b. Use CTRL+A button to back actions choice
c. Choose Save item to save change and back to System Configuration page
d. Choose Previous Menu item to quit System Configuration page
e. Choose Main Menu item to quit IP DSLAM Configuration page and back to Main Manual
f. Choose Reboot IP DSLAM item
g. Choose Restart item to reboot your IP DSLAM.
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4.2 Remote Network Management
4.2.1 IP Setting
You must setup the “IP Address” with the local serial console port (RS-232 Port), and then you can use this IP address to
control this VDSL IP DSLAM by Telnet and WEB. Or you can change your computer’s IP domain same with VDSL
NVF-800S. Then use the default IP address to control this VDSL IP DSLAM.
1. Remote control by “Telnet”
To enter Telnet, type the IP address of the IP DSLAM to connect management system. And type User name and
password.
Default User Name: admin
Default Password: 123
Note:
1. For security reason, we limit the user login number on Telnet and Console port. So you can’t login Telnet and Console
port at the same time. But you can login Telnet and Console port at the different time.
2. WEB Login doesn’t limit user login numbers.
When you want to close console port control you must log-out to leave. Otherwise you can’t login by Telnet.
2. Network control by “WEB”
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4.2.2 Web Management Function
1. Provide a Web browser to manage and monitor the NVF-800S, the default values as follows:
If you need change IP address in first time, you can use console mode to modify it.
IP Address: 192.168.16.250
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.16.1
User Name: admin Password: 123
2. You can browse http:// 192.168.16.250, type user name and password as above.
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4.2.2-1. Web Management Home Overview
This is VDSL Home Page.
4.2.2-2. Port status
1. This page can see every port status
State: Display port status disable or enable, disable is unlink port, enable is link port.
Link Status: Down is “No Link”, UP is “Link”
Auto Negotiation: NVF-800S auto negotiation mode
Speed status: Port 9、10 are 10/100/1000Mbps or and Port 1- 8 are 5/15/25Mbps,
Configure: Display the state of user setup,
Actual: Display the negotiation result.
Duplex status: Display full-duplex or half-duplex mode.
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Configure: Display the user setup,
Actual: Display the negotiation result.
Flow control: Display flow control status enable or disable mode
User can see single port counter as following
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4.2.2-3. Port Statistics
1. The following information provides a view of the current status of the unit.
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4.2.2-4. Administrator
There are many management function, include:
IP Address
NVF-800S Setting
Port Controls
Link Aggregation
Filter Database
VLAN Config.
Spanning Tree
Port Sniffer
Snmp
SNR Status
Security Manager
TFTP Update Firmware
Configuration Backup
Restart System
Reboot
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4.2.2-4-1. IP Address
1. User can configure the IP Settings and fill in the new value, than clicks apply button.
2. User must be reset NVF-800S and use new IP address to browser this web management.
Default IP is 192.168.16.250
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4.2.2-4-2. IP DSLAM Setting
2-4-2-1.Basic
1. Description: Display the device type of name.
2. MAC Address: The unique hardware address assigned by manufacturer
3. Firmware Version: Display the IP DSLAM’s firmware version.
4. Hardware Version: Display the IP DSLAM’s Hardware version.
5. Default config value version: Display write to default EEPROM value tale version.
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2-4-2-2.Advanceed
Miscellaneous Setting:
MAC Address Age-out Time: Type the number of seconds that an inactive MAC address remains in the NVF-800S'
address table. The valid range is 300~765 seconds. Default is 300 seconds.
Max bridge transit delay bound control: Limit the packets queuing time in NVF-800S. If enable, the packets queued
exceed will be drop. This valid value are 1sec, 2 sec, 4 sec and off. Default is 2
seconds.
Broadcast Storm Filter: To configure broadcast storm control, enable it and set the upper threshold for individual ports.
The threshold is the percentage of the port's total bandwidth used by broadcast traffic. When
broadcast traffic for a port rises above the threshold you set, broadcast storm control becomes
active. The valid threshold value are 5%, 10%, 15%, 20%, 25% and off.
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Priority Queue Service settings:
First Come First Service: The sequence of packets sent is depend on arrive order.
All High before Low: The high priority packets sent before low priority packets.
Weighted Round Robin: Select the preference given to packets in the NVF-800S' high-priority queue.
These options represent the number of high priority packets sent before one low priority packet
is sent. For example,5 High : 2 Low means that the NVF-800S sends 5 high priority packets
before sending 2 low priority packet.
Enable Delay Bound: Limit the low priority packets queuing time in NVF-800S. Default Max Delay Time is 255ms. If the low
priority packet stays in NVF-800S exceed Max Delay Time, it will be sent. The valid range is 1~255
ms.
NOTE: Make sure of “Max bridge transit delay bound control” is enabled before enable Delay Bound, because Enable Delay
Bound must be work under “Max bridge transit delay bound control is enabled” situation.
QoS Policy: High Priority Levels: 0~7 priority level can map to high or low queue.
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Protocol Enable Setting:
Enable Spanning Tree Protocol: Default recommend to enable STP
Enable Internet Group Multicast Protocol: enable IGMP protocol
VLAN Protocol: 802.1Q(Tagging Based) without GVRP VLAN mode
802.1Q(Tagging Based) with GVRP VLAN mode
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GVRP (GARP [Generic Attribute Registration Protocol] VLAN Registration Protocol)
GVRP allows automatic VLAN configuration between the NVF-800S and nodes. If the NVF-800S is connected to a device
with GVRP enabled, you can send a GVRP request using the VID of a VLAN defined on the NVF-800S, the NVF-800S will
automatically add that device to the existing VLAN.
•
Assign management IP address to specific VLAN
Can limit management system only for specific VLAN, This function must enable 802.1Q.
•
Auto Speed SNR margin value setup: Maximum Minimum
VDSL Speed auto adaptive function is based on SNR value, you can specify target SNR margins. Maximum:
When SNR value bigger than Maximum value, VDSL speed will increase. Minimum: When SNR value smaller
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than Minimum value, VDSL speed will decrease. Priority of Minimum setup is higher than Maximum setup.
£
4.2.2-4-3. Console Port Information
1. Console is a standard UART interface to communicate with Serial Port.
User can use windows HyperTerminal program to link the NVF-800S. Connect To->Configure
Bits per seconds: 9600
Data bits: 8
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Parity: none
STOP BITS: 1
Flow control: none
4.2.2-4-4. VDSL Speed Control and port Enable/Disable
This section shows you how to change every port status and speed mode
State: You can disable or enable VDSL port control
Auto Negotiation: You can set enable or disable VDSL port
Speed: You can change VDSL Speed mode by 5Mbps, 15Mbps or 25Mbps
Speed Default Value: Auto-speed
Distance between VDSL & VDSL modem when standard 24 Gauge 0.5mm cable is used:
5 Mbps -> 1.7 Km.(Without PBX)
15 Mbps -> 1.1 km.(Without PBX)
25 Mbps -> 0.6 km.(Without PBX)
Duplex: User can set full-duplex or half-duplex mode of Ethernet port. VDSL port fix on Full Duplex.
Flow Control: Full: User can set flow control function is enable or disable in hull mode.
Half: User can set backpressure is enable or disable in half mode.
Auto Speed procedures:
a. Confirm the phone cable have been connected with NVF-800S and NVF-200R both.
b. Power on NVF-800S and NVF-200R
c. Start auto-speed function after NVF-200R re-boot.
d. NVF-800S will try 25M mode to link with NVF-200R, if fail, auto speed down to 15M mode and re-link with NVF-200R,
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If fail, auto-speed down to 5M and keep this mode then re-link with NVF-200R
e. Please note any length of phone cable change, NVF-200R must re-power again, due to auto-speed function only
work on re-starting.
f. Await 5 ~ 120 seconds until VDSL port link up with depend on length of phone cable.
*Note: VDSL port supports auto-speed, the speed mode depend on phone cable length and crosstalk issues, any
auto-speed start on phone cable re-plug in and re-power IP DSLAM, auto-speed need spend for few minutes.
25M/25M symmetric run at 600 meters
15M/15M symmetric run at 1.1km
5M/5M symmetric run at 1.7km
With above speed mode testing is base on 24 gauge twist pair phone cable without PBX.
4.2.2-4-5. Link Aggregation
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The Link Aggregation Control Protocol (LACP) provides a standardized means for exchanging information between Partner
Systems on a link to allow their Link Aggregation Control instances to reach agreement on the identity of the Link
Aggregation Group to which the link belongs, move the link to that Link Aggregation Group, and enable its transmission and
reception functions in an orderly manner. In conclusion, Link aggregation lets you group up to eight consecutive ports into a
single dedicated connection. This feature can expand bandwidth to a device on the network. LACP operation requires
full-duplex mode, more detail information refer to IEEE 802.3ad.
2-4-5-1. Aggregator setting
System Priority: A value used to identify the active LACP. The NVF-800S with the lowest value has the highest priority and
is selected as the active LACP.
1.Group ID: you can create a link aggregation across two or more ports, choose the "group id" and click "Get".
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2.LACP: If enable, the group is LACP static trunking group. If disable, the group is local static trunking group. All ports
support LACP dynamic trunking group. If connecting to the device that also supports LACP, the LACP dynamic
trunking group will be created automatically.
3. Work ports: The max number of ports can be aggregated at the same time. If LACP static trunking group, the exceed
ports is standby and able to aggregate if work ports fail. If local static trunking group, the number must be
the same as group ports.
4. Select the ports to join the trunking group
5. If LACP enable, you can configure LACP Active/Passive status in each ports
6. Click Apply.
2-4-5-2. Aggregator Information
When you are setting LACP aggregator, you can see relation information in here.
This page is Actor and Partner trunking one group with port 1 to port 1.
2-4-5-3. State Activity
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Active (select): The port automatically sends LACP protocol packets.
Passive (no select): The port does not automatically sends LACP protocol packets, and responds only if it receives LACP
protocol packets from the opposite device.
1. A link having either two active LACP ports or one active port can perform dynamic LACP trunking. A link has two
passive LACP ports will not perform dynamic LACP trunking because both ports are waiting for and LACP protocol
packet from the opposite device.
2. If you are active LACP’s actor, when you are select trunking port, the active status will be created automatically.
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4.2.2-4-6. Filter Database
2-4-6-1. IGMP Snooping
The IP DSLAM support IP multicast, you can enable IGMP protocol on web management’s NVF-800S setting advanced
page, then display the IGMP snooping information in this page, you can view difference multicast group, VID and member
port in here, IP multicast addresses range from 224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of the Internet Protocol (IP) suite.
IP manages multicast traffic by using NVF-800S, routers, and hosts that support IGMP. Enabling IGMP allows the ports to
detect IGMP queries and report packets and manage IP multicast traffic through the NVF-800S.
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IGMP have three fundamental types of message as follows:
Message
Query
Report
Leave Group
Description
A message sent from the queries (IGMP router or
NVF-800S) asking for a response from each host
belonging to the multicast group.
A message sent by a host to the queries to indicate
that the host wants to be or is a member of a given
group indicated in the report message.
A message sent by a host to the queries to indicate
that the host has quit to be a member of a specific
multicast group.
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2-4-6-2. Static MAC Address
When you add a static MAC address, it remains in the NVF-800S' address table, regardless of whether the device is
physically connected to the NVF-800S. This saves the NVF-800S from having to re-learn a device's MAC address when the
disconnected or powered-off device is active on the network again.
1. To add a static MAC address
2. From the main menu, click administrator, then click Filter Database.
3. Click Static MAC Addresses. In the MAC address box, enter the MAC address to and from which the port should
permanently forward traffic, regardless of the device's network activity.
4. In the Port Number box, select a port number.
5. If tag-based (IEEE 802.1Q) VLANs are set up on the NVF-800S, static addresses are associated with individual VLANs.
Type the VID (tag-based VLANs) to associate with the MAC address.
6. Click “add”
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2-4-6-3. Port Security
A port in security mode will be “locked” without permission of address learning. Only the incoming packets with SMAC
already existing in the address table can be forwarded normally. User can disable the port from learning any new MAC
addresses, then use the static MAC addresses screen to define a list of MAC addresses that can use the secure port. Enter
the settings, then click Submit to apply the changes on this page.
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2-4-6-4. MAC filtering
MAC address filtering allows the NVF-800S to drop unwanted traffic. Traffic is filtered based on the destination addresses.
For example, if your network is congested because of high utilization from one MAC address, you can filter all traffic
transmitted from that MAC address, restoring network flow while you troubleshoot the problem.
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4.2.2-4-7. VLAN configuration
A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast domain. It allows you to isolate network traffic
so only members of the VLAN receive traffic from the same VLAN members. Basically, creating a VLAN from a NVF-800S is
logically equivalent of reconnecting a group of network devices to another Layer 2 NVF-800S. However, all the network
devices are still plug into the same NVF-800S physically.
The IP DSLAM supports port-based and protocol-base VLAN in web management page, In the default configuration, VLAN
support is enable and all ports on the NVF-800S belong to default VLAN, VID is 1.
Support Multiple VLAN (IEEE 802.1Q VLAN)
Port-based Tagging rule VLAN is an IEEE 802.1Q specification standard. Therefore, it is possible to create a VLAN across
devices from different NVF-800S venders. IEEE 802.1Q VLAN uses a technique to insert a “tag” into the Ethernet frames.
Tag contains a VLAN Identifier (VID) that indicates the VLAN numbers.
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Support Protocol-based VLAN
In order for an end station to send packets to different VLAN, it itself has to be either capable of tagging packets it sends
with VLAN tags or attached to a VLAN-aware bridge that is capable of classifying and tagging the packet with different
VLAN ID based on not only default PVID but also other information about the packet, such as the protocol.
IP DSLAM will support protocol-based VLAN classification by means of both built-in knowledge of layer 2 packet formats
used by selected popular protocols, such as Novell IPX and AppleTalk’s EtherTalk, and some degree of programmable
protocol matching capability.
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2-4-7-1. Basic
Create a VLAN and add tagged member ports to it.
1. From the main menu, click administrator -- VLAN configuration.
2. Click “Add”
3. Type a name for the new VLAN.
4. Type a VID (between 2-4094). The default is 1.
5. From the Available ports box, select ports to add to the NVF-800S and click Add.
6. Click “Apply”.
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2-4-7-2. Port VID
Configure port VID settings
From the main Tag-based (IEEE 802.1Q) VLAN page, click Port VID Settings.
Port VID (PVID)
Sets the Port VLAN ID that will be assigned to untagged traffic on a given port. For example, if port 10's Default PVID is 100,
all untagged packets on port 10 will belong to VLAN 100. The default setting for all ports is VID 1.
This feature is useful for accommodating devices that you want to participate in the VLAN but that don't support tagging.
Only one untagged VLAN is allowed per port.
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Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN to be forwarded if the port belongs to that VLAN.
IP DSLAM has two ingress filtering rule as follows:
Ingress Filtering Rule 1:Forward only packets with VID matching this port's configured VID
Ingress Filtering Rule 2:Drop Untagged Frame
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4.2.2-4-8. Spanning Tree
The Spanning-Tree Protocol (STP) is a standardized method (IEEE 802.1D ) for avoiding loops in NVF-800S networks.
When STP enabled, to ensure that only one path at a time is active between any two nodes on the network.
You can enable Spanning-Tree Protocol on web management’s NVF-800S setting advanced item, select enable
Spanning-Tree protocol. We are recommended that you enable STP on all NVF-800S ensures a single active path on the
network.
1. You can view spanning tree information about the Root bridge as following screen:
2. You can view the spanning tree status about the NVF-800S as following screen.
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3. You can set new value for STP parameter, then click set Apply button to modify.
Parameter
Priority
Max Age
Hello Time
Forward
Delay time
Description
You can change priority value, A value used to identify the
root bridge. The bridge with the lowest value has the
highest priority and is selected as the root. Enter a number
1 through 65535.
You can change Max Age value, The number of seconds a
bridge waits without receiving. Spanning-Tree Protocol
configuration
messages
before
attempting
a
reconfiguration. Enter a number 6 through 40.
You can change Hello time value, the number of seconds
between the transmission of Spanning-Tree Protocol
configuration messages. Enter a number 1 through 10.
You can change forward delay time, The number of
seconds a port waits before changing from its
Spanning-Tree Protocol learning and listening states to the
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forwarding state. Enter a number 4 through 30.
4. The following parameter can be configured on each port , click set Apply button to modify .
Parameter
Description
You can make it more or less likely to become the root
port, the rage is 0-255,default setting is 128 the lowest
Port Priority
number has the highest priority. If you change the value,
you must reboot the NVF-800S.
Specifies the path cost of the port that NVF-800S uses to
determine which port are the forwarding ports the lowest
Path Cost number is forwarding ports, the rage is 1-65535 and
default value base on IEEE802.1D 10Mb/s = 50-600
100Mb/s = 10-60 1000Mb/s = 3-10 If you change the
value, you must reboot the NVF-800S.
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4.2.2-4-9. Port Sniffer
The Port Sniffer is a method for monitor traffic in NVF-800S networks. Traffic through ports can be monitored by one specific
port. That is, traffic goes in or out monitored ports will be duplicated into sniffer port.
Roving Analysis State: Enable or disable the port sniffer function.
Analysis Port: Analysis port can be used to see all monitor port traffic. You can connect sniffer port to LAN Analysis,
Session Wall or Netxray.
Monitor Ports: The ports you want to monitor. All monitor port traffic will be copied to sniffer port. You can select max 9
monitor ports in the NVF-800S. If you want to disable the function, you must select monitor port to none.
Monitor Rx: Monitored receive frames from the port.
Monitor Tx: Monitoring sent frames from the port.
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4.2.2-4-10. SNMP
Any Network Management running the Simple Network Management Protocol (SNMP) can management the NVF-800S,
Provided the Management Information Base (MIB) is installed correctly on the management station. The SNMP is a
Protocol that governs the transfer of information between management and agent. The VDSL NVF-800S support SNMP V1.
1. Use this page to define management stations as trap managers and to enter SNMP community strings. User can
also define a name, location, and contact person for the NVF-800S. Fill in the system options data, and then click
Apply to update the changes on this page
Name: Enter a name to be used for the NVF-800S.
Location: Enter the location of the NVF-800S.
Contact: Enter the name of a person or organization.
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2. Community strings serve as passwords and can be entered as one of the following:
Read only: Enables requests accompanied by this string to display MIB-object information.
Read write: Enables requests accompanied by this string to display MIB-object information and to set MIB objects.
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3. Trap Manager
A trap manager is a management station that receives traps, the system alerts generated by the NVF-800S. If no trap
manager is defined, no traps are issued. Create a trap manager by entering the IP address of the station and a community
string.
Enterprise MIB contains two traps:
a. When IP DSLAM internal temperature is greater than 70℃, system will send a “Temperature alarm “ trap.
b. When the IP DSLAM’s internal cooling FAN doesn’t run, the system will send a “FAN speed alarm” trap.
4.2.2-4-11 SNR
The following information provides a view of the current VDSL Attenuation value of the unit.
SNR(Signal to Noise Ratio)
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4.2.2-4-12 Security Manager
1. Use this page; user can change web management user name and password.
User name: Admin
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Password: 123
4.2.2-4-13. TFTP Update Firmware
1. The following menu options provide some system control functions to allow a user to update firmware and
remote boot NVF-800S system:
* Install TFTP Turbo98 and execution.
* Copy firmware update version image.bin to TFTP Turbo98 directory.
* In web management select administrator—TFTP update firmware.
* Download new image.bin file then in web management press <update firmware>.
4.2.2-4-14. Configuration Backup
2-4-13-1. TFTP Restore Configuration
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Use this page to set TFTP server address. You can restore EEPROM value from here, but you must put back image in
TFTP server, the NVF-800S will download back the flash image.
2-4-13-2. TFTP Backup Configuration
Use this page to set TFTP server IP address. You can save current EEPROM value from here, then go to the TFTP restore
configuration page to restore the EEPROM value.
4.2.2-4-15. Reset System
Reset IP DSLAM to default configuration
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Note. Please make sure the IP DSLAM has been disconnected with VDSL Modem
4.2.2-4-16. Reboot
Reboot the IP DSLAM in software reset
5. Applications
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The VDSL provides home network architecture. Transforming an apartment into a Multiple-Family Home network area,
sharing a single internet account for multiple users via Router & Cable Modem, it can provide unlimited access time in
the internet at a reasonable low price.
Bridging Functions – The IP DSLAM provides full transparent bridging function. It automatically connects node
addresses, that are later used to filter and forward all traffic based on the destination address. When traffic passes
between devices attached to the shared collision domain, those packets are filtered from the IP DSLAM. But when
traffic must be passed between unique segments (i.e., different ports of the IP DSLAM), a temporary link is set up
between the IP DSLAM’s port in order to pass this traffic, via the high-speed VDSL fabric.
Transceiver function
The IP DSLAM support Ethernet to VDSL convert, It can be transmit or receive packet from Ethernet port to the RJ11
port. Or VDSL port to Ethernet port.
Flexible Configuration–The IP DSLAM is not only Designed to segment your network, but also to provide a wide
range of options in the configuration of Home network connections. It can be used as a simple stand-alone IP DSLAM;
or can be connected with another IP DSLAM, Cable modem, Router, XDSL, ISDN, gateway or other network
interconnection devices in various configurations. Some of the common applications of the IP DSLAM are described in
this chapter.
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*Application for Video on demand and Video conference
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Used as apartment for Internet access
The IP DSLAM provides a high speed, auto-speed transmission over existing home telephone wiring over a single
Internet account to provide simultaneous independent Internet access to multiple users.
No matter ISDN Telephone system nor POTS Telephone system you have, the VDSL Technology let you can use the
telephone system and VDSL network system in the same time.
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Figure Chapter 4.1
Application for Sharing a single internet account
If multiple users would like to share a single internet account using the IP DSLAM, which is to be connected to a IP
sharing device, then to a xDSL or Cable Modem.
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Note:
For network applications that actually require Router (e.g., Interconnecting dissimilar network types), attaching the IP
DSLAM directly to a router can significantly improve overall home networking performance.
High bandwidth backbone ready
The IP DSLAM provides 10/100/1000Mbps auto sensing for external trunk device (Fiber optics, Wireless Bridge, xDSL
& other WAN services)
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Appendix A: Troubleshooting
Diagnosing VDSL Indicators
The VDSL can be easily monitored through its comprehensive panel indicators. These indicators assist the network
manager in identifying problems the IP DSLAM may encounter. This section describes common problems you may
encounter and possible solutions
1. Symptom: POWER indicator does not light up (green) after power on.
Cause: Defective power outlet, power cord, internal power supply
Solution: Cheek the power outlet by trying another outlet that is functioning properly. Check the power cord with
another device. If these measures fail to resolve the problem, have the unit power supply replaced by a
qualified distributor.
2. Symptom: Link indicator does not light up (green) after making a connection.
Cause: Network interface (e.q., a network adapter card on the attached device), network cable, or NVF-800S
port is defective.
Solution: 2.1 Verifies the NVF-800S and attached device are powered on.
2.2 Be sure the cable is plug into both the NVF-800S and corresponding device.
2.3 Verify that the proper cable type is used and its length does not exceed specified limits.
2.4 Check the adapter on the attached device and cable connections for possible defects.
2.5 Replace the defective adapter or cable if necessary.
3. Symptom: VDSL always link on 5M/5M speed mode at short phone cable.
Cause: VDSL auto speed lock up.
Solution: Please re-power NVF-200R.
Note : NVF-800S will redo auto speed function while NVF-200R be re-power on.
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System Diagnostics
Power and Cooling Problems
If the POWER indicator does not turn on when the power cord is plugged in, you may have a problem with the power
outlet, power cord, or internal power supply as explained in the previous section. However, if the unit should turn itself
off after running for a while, check for loose power connections, power loss or surges at the power outlet, and verify that
the fan on back of the unit is unobstructed and running prior to shutdown. If you still cannot isolate the problem, then the
internal power supply may be defective. In this case, contact your supplier for assistance.
Installation
Verify that all system components have been properly installed. If one or more components appear to be malfunctioning
(e.g., the power cord or network cabling), test them in an alternate environment where you are sure that all the other
components are functioning properly.
Transmission Mode
The selections of the transmission mode for the RJ-45 ports are auto-negotiation using the default method. Therefore, if
the Link signal is disrupted (e.g., by unplugging the network cable and plugging it back in again, or by resetting the
power), the port will try to reestablish communications with the attached device via auto-negotiation. If auto-negotiation
fails, then communications are set to half duplex by default. Based on this type of industry-standard connection policy, if
you are using a full-duplex device that does not support auto-negotiation, communications can be easily lost (i.e., reset
to the wrong mode) whenever the attached device is reset or experiences a power fluctuation. The best way to resolve
this problem is to upgrade these devices to version that will support auto-negotiation.
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Cabling
1. Verify that the cable type is correct. Be sure RJ-45 cable connectors are securely seated in the required ports. Use
100Ω straight-through cables for all standard connections. Use Category 5 cable for 100/1000Mbps Fast Ethernet
connections, or Category 3, 4 or 5 cables for standard 10Mbps Ethernet connections. Be sure RJ-45 phone wiring,
use 18~26 gauge.
2. Make sure all devices are connected to the network. Equipment any have been unintentionally disconnected from the
network.
3. When cascading two devices using RJ-45 station ports at both ends of the cable (i.e., not an MDI port), make sure a
crossover cable is used. Crossover cable should only be used if a MDI port is not available.
Physical Configuration
If problems occur after altering the network configuration, restore the original connections, and try to track the
problem down by implementing the new changes, one step at a time. Ensure that cable distances and other physical
aspects of the installation do not exceed recommendations
System Integrity
As a last resort verify the NVF-800S integrity with a power-on reset. Turn the power to the NVF-800S off and then on
several times. If the problem still persists and you have completed all the preceding diagnoses, contact your dealer
for assistance.
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Appendix B: VDSL Spectrum
VDSL Technology – Requirements & Definitions
Spectral Allocation
• Co-exists with legacy Voice and ISDN services
Slide 5
06-April-2000
page: 5
• Co-exists with other xDSL technologies
• Programmable notch filter to avoid Radio Frequency Interference
 2002 Infineon Technologies COM/AC
All rights reserved
VDSL Spectral Allocation
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Appendix C: Example of VLAN Setting
1. Port_Based VLAN Setting
Web management Æ Administrator Æ NVF-800S settings Æ Advanced:
Protocol Enable SettingÆ VLAN Operation Mode: Select “Port_Based”
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Web management Æ Administrator Æ NVF-800S settingsÆVlan Configuration:
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Add VLAN Group 1, member: port 1 and port 9
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2. Tag_Based (IEEE 802.1Q) VLAN Setting
Web management Æ Administrator Æ NVF-800S settings Æ Advanced:
Protocol Enable SettingÆ VLAN Operation Mode: Select “802.1Q without GVRP”
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Administrator Æ VLAN Configuration: Select “Port VID” in this stage, you can define each port’s PVID and set traffic rules
for each port.
Note: There are two basic rules for setting traffic filtering rule while you use Tag VLAN.
1. Ingress rule will be taking effect when the packet is "incoming" packet.
2. Ingress rule 1 and 2 will be checked when you use tag. Otherwise the ingress rule will be meaningless.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
VLAN Configuration: Select “Basic”
• Default_1 exists when you use 802.1Q Tag VLAN.
• Highlight default_1 and click Edit button to add/remove each port.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
In default_1 group, add in or remove group members.
Click Next button to set Tag or Untag for each assigned port.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
From this page, you can set Tag or Untag for assigned port and click Apply button.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Add in new group.
• Click Add button into new group setting page.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Add in new group page.
• Fill in new group name into VLAN Name.
• Set the VID number.
• Add in new group members.
• Click Next button.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Set Tag or Untag for group members and click Apply button.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
New group has been created, now you can highlight each group and click Edit or Delete button to modify or delete VLAN
Group.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
FCC Warning
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.
CE Mark Warning
This is a CE class A product. In a domestic environment, this product may cause radio interference in which case the user
may be required to take adequate measures.
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NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
Warranty
The original owner that the product was delivered in this package will be free from defects in material and workmanship from
one year parts after purchase.
There will be a minimal charge to replace consumable components, such as fuses, power transformers, and mechanical
cooling devices. The warranty will not apply to any products which have been subjected to any misuse, neglect or accidental
damage, or which contain defects which are in any way attributable to improper installation or to alteration or repairs made
or performed by any person not under control of the original owner.
The above warranty is in lieu of any other warranty, whether express, implied, or statutory, including but not limited to any
warranty of merchantability, fitness for a particular purpose, or any warranty arising out of any proposal, specification, or
sample. Shall not be liable for incidental or consequential damages. We neither assumes nor authorizes any person to
assume for it any other liability.
Note: Please do not tear off or remove the warranty sticker as shown, otherwise the warranty will be void.
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