Dell PowerConnect M6348 Cli Reference Manual page 989

Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
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.
NOTE: This command is supported on
Examples
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
PCM8024 10G BaseT ports.
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