DELL PC6224F User Manual

PHY Diagnostics Commands

Use the test copper-port tdr command in Privileged EXEC mode to diagnose 

with Time Domain Reflectometry (TDR) technology the quality and 

characteristics of a copper cable attached to a port.

interface

•

interface — A valid Ethernet port. The full syntax is unit / port.

This command has no default configuration.

Privileged EXEC mode

During the test shut down the port under test unless it is a combo port with 

an active fiber port.

  NOTE: The maximum distance VCT can function is 120 meters.

The following example results in a report on the cable attached to port 1/g3.

console#test copper-port tdr 1/g3

Cable is open at 64 meters

The following example results in a failure to report on the cable attached to 

port 2/g3.

console#test copper-port tdr 2/g3

Can’t perform the test on fiber ports