PHY Diagnostics Commands 1553
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PHY Diagnostics Commands
This chapter explains the following commands:
show copper-ports tdr
Use the show copper-ports tdr command in Privileged EXEC mode to display
the stored information regarding cable lengths.
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, Config mode and all Config sub-modes
User Guidelines
The copper-related commands do not apply to the stacking, CX-4, or
10GBaseT ports associated with these plug-in modules.
The maximum length of the cable for the Time Domain Reflectometry
(TDR) test is 120 meters. Disable green-mode on the port in order to obtain
accurate results.
Example
The following example displays the last TDR tests on all ports.
console#show copper-ports tdr
show copper-ports tdr test copper-port tdr
show fiber-ports optical-transceiver
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2CSPC4.X8100-SWUM102.book Page 1553 Friday, March 15, 2013 8:56 AM