972 PHY Diagnostics Commands
1/g1 <50
1/g2 Copper not active
1/g3 110-140
1/g4 Fiber
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 copper-related commands do not apply to the stacking or CX-4 ports associated with these
plug-in modules.
The maximum length of the cable for the Time Domain Reflectometry (TDR) test is 120
meters.
NOTE: This command is only supported on PC8024/PC8024F 10G BaseT ports.
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
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