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Chapter 7 Diagnostics
The Diagnostics menu provides feedback on the connection status of the CT-5621T and the ADSL link. The individual tests are listed below. If a test displays a fail status, click Rerun Diagnostic Tests at the bottom of this page to make sure the fail status is consistent. If the test continues to fail, click Help and follow the troubleshooting procedures.
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Test Description
Ethernet
Connection
Pass: indicates that the Ethernet interface from your computer is connected to the LAN port of your DSL Router. A flashing or solid green LAN LED on the router also signifies that an
Ethernet connection is present and that this test is successful.
Fail: Indicates that the DSL Router does not detect the
Ethernet interface on your computer.
USB Connection Pass: Indicates that the USB interface from your computer is connected to router properly.
Down: Indicates that the DSL Router does not detect the signal from USB interface.
ADSL
Synchronization
Pass: Indicates that the DSL modem has detected a DSL signal from the telephone company. A solid WAN LED on the router also indicates the detection of a DSL signal from the telephone company.
Fail: indicates that the DSL modem does not detect a signal from the telephone company’s DSL network. The WAN LED will stop blinking (i.e. training) and the LED will switch off.
Diagnostics screen with a PPPoE configured for your reference.
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Table of contents
- 6 Chapter 1Introduction
- 6 1.1Features
- 7 1.2Application
- 8 1.3Front Panel LED Indicators
- 10 Chapter 2Installation
- 10 2.1Hardware Installation
- 12 2.2USB Device Driver Auto-run Installation
- 15 2.3USB Driver Manual Installation (64bit OS)
- 20 Chapter 3Login via the Web Browser
- 21 3.1IP Address
- 22 3.2Login Procedure
- 24 3.3Default Settings
- 25 Chapter 4 Device Info
- 26 4.1WAN
- 27 4.2Statistics
- 28 4.2.1LAN Statistics
- 29 4.2.2WAN Statistics
- 30 4.2.3ATM statistics
- 32 4.2.4ADSL Statistics
- 34 4.2.5Route
- 34 4.2.6ARP
- 35 4.2.7DHCP
- 36 Chapter 5Quick Setup
- 37 5.1Auto Quick Setup
- 38 5.2Manual Quick Setup
- 40 5.2.1PPP over ATM (PPPoA) and PPP over Ethernet (PPPoE)
- 45 5.2.2MAC Encapsulation Routing (MER)
- 48 5.2.3IP Over ATM
- 52 5.2.4Bridging
- 54 Chapter 6Advanced Setup
- 56 6.1WAN
- 57 6.2LAN
- 59 6.3NAT
- 59 6.3.1Virtual Servers
- 61 6.3.2Port Triggering
- 62 6.3.3DMZ Host
- 63 6.3.4ALG
- 64 6.4Security
- 64 6.4.1IP Filtering
- 67 6.4.2Parental Control
- 68 6.4.3MAC Filtering
- 70 6.5Quality of Service
- 73 6.6Routing
- 73 6.6.1Default Gateway
- 74 6.6.2Static Route
- 75 6.6.3RIP
- 76 6.7DNS
- 76 6.7.1DNS Server
- 77 6.7.2Dynamic DNS
- 79 6.8DSL
- 80 6.9Port Mapping
- 83 6.10Certificate
- 83 6.10.1Local
- 85 6.10.2Trusted CA
- 86 Chapter 7Diagnostics
- 88 Chapter 8Management
- 88 8.1Settings
- 89 8.1.1Configuration Backup
- 90 8.1.2Update Settings
- 91 8.1.3Restore Default
- 93 8.2System Log
- 96 8.3TR-069 Client
- 98 8.4Internet Time
- 99 8.5Access Control
- 100 8.5.1Services
- 101 8.5.2Access IP Addresses
- 102 8.5.3Passwords
- 103 8.6Update software
- 104 8.7Save and Reboot
- 105 Appendix A: Firewall
- 111 Appendix B: Pin Assignments
- 112 Appendix C: Specifications
- 114 Appendix D: SSH Client