Command Line Interface Guide

1582 PHY Diagnostics Commands
User Guidelines.
During the test, shut down the port under test unless it is a combo port with
an active fiber port.
The maximum distance VCT can function is 120 meters.
Examples
The following example results in a report on the cable attached to port 1/0/3.
console#test copper-port tdr 1/0/3
Cable is open at 64 meters
The following example results in a failure to report on the cable attached to
port 2/0/3.
console#test copper-port tdr 2/0/3
Can’t perform the test on fiber ports
2CSPC4.X8100-SWUM100.book Page 1582 Wednesday, August 29, 2012 6:23 PM