Owner's Manual

272 PHY Diagnostics Commands
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The following example results in a failure to report on the cable attached to port g4.
show copper-ports tdr
The show copper-ports tdr privileged EXEC command display the last TDR (Time Domain
Reflectometry) tests on specified ports.
Syntax
show copper-ports tdr [ interface ]
•
interface —A valid Ethernet port.
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
There are no user guidelines for this command.
Example
The following example displays the last TDR (Time Domain Reflectometry) tests on all ports.
show copper-ports cable-length
The show copper-ports cable-length privileged EXEC command displays the estimated copper
cable length attached to a port.
Console# test copper-port tdr g4
Can’t perform the test on fiber ports
Console# show copper-ports tdr
Port Result Length [meters] Date
---- -------- --------------- ---------------
g1 OK
g2 Short 50 13:32:00 23 July 1997
g3 Test has not been preformed
g4 Open 128 13:32:08 23 July 1997
g5 Fiber - -