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PHY Diagnostics Commands
Intel® Blade Server Ethernet Switch Modules SBCEGBESW1 and SBCEGBESW10 CLI Guide 153
14 PHY Diagnostics Commands
test copper-port tdr
The test copper-port tdr Privileged EXEC mode command uses Time Domain
Reflectometry (TDR) technology to diagnose the quality and characteristics of a copper
cable attached to a port.
Syntax
test copper-port tdr interface
Parameters
• interface — A valid Ethernet port. (Full syntax: unit/port)
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
The port to be tested should be shut down during the test, unless it is a combination port
with fiber port active.
The maximum length of the cable for the TDR test is 120 meter.
Example
The following example results in a report on the cable attached to port 3.
Console# test copper-port tdr ext.3
Cable is open at 64 meters
Console# test copper-port tdr ext.3
Can’t perform this test on fiber ports