CLI Reference Guide

242 PHY Diagnostics Commands
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show copper-ports tdr
Use the show copper-ports tdr command in Privileged EXEC mode to display the last Time
Domain Reflectometry (TDR )tests on specified ports.
Syntax
show copper-ports tdr [ interface ]
•
interface —A valid Ethernet port. The full syntax is unit / port.
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
The maximum length of the cable for the Time Domain Reflectometry (TDR) test is 120
meters.
Example
The following example displays the last TDR tests on all ports.
console#show copper-ports tdr
Port Result Length [meters] Date
---- -------- --------------- ---------------
1/g1 OK
1/g2 Short 50 13:32:00 23 July 2004
1/g3 Test has not been preformed
1/g4 Open 128 13:32:08 23 July 2004
1/g5 Fiber - -
show fiber-ports optical-transceiver
Use the show fiber-ports optical-transceiver command in Privileged EXEC mode to display the
optical transceiver diagnostics.
Syntax
show fiber-ports optical-transceiver [ interface ]