Section 13. Phy Diagnostics Commands; Test Copper-Port Tdr - D-Link DES-3010FA Cli Manual

Section 13. PHY Diagnostics Commands

test copper-port tdr

The test copper-port tdr Privileged EXEC mode command uses Time Domain Reflectometry (TDR) technology
to diagnose the quality and characteristics of a copper cable attached to a port.
Syntax
test copper-port tdr interface
Parameters
•
interface — A valid Ethernet port. (Full syntax: port)
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
The port to be tested should be shut down during the test, unless it is a combination port with fiber port active.
The maximum length of the cable for the TDR test is 120 meters.
Examples
The following example results in a report on the cable attached to port 3.
Console# test copper-port tdr 3
Cable is open at 64 meters
Console# test copper-port tdr 3
Can't perform this test on fiber ports
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PHY Diagnostics Commands