HP BladeSystem bc2000 Command Line Interface Reference Guide HP BladeSystem PC - Page 203
PHY Diagnostics Commands, test copper-port tdr
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15 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 n interface - A valid Ethernet port. (Full syntax: port) Default Setting This command has no default configuration. Command Mode Privileged EXEC mode Command Usage The port to be tested should be shut down during the test, unless it is a combination port with the fiber port active. The maximum length of the cable for the TDR test is 120 meters. Example The following command results in a report on the cable attached to port e42. Console# test copper-port tdr e42 Cable is open at 64 meters Console# test copper-port tdr e45 Can't perform this test on fiber ports HP PC Blade Switch CLI Reference Guide www.hp.com 15-1