Switch Management Commands 1988test copper-port tdrUse the test copper-port tdr command to diagnose with Time DomainReflectometry (TDR) technology the quality and characteristics of a coppercable attached to a 1GBaseT or 10GBaseT port.Syntaxtest copper-port tdr interface• interface — A valid Ethernet port.Default ConfigurationThis command has no default configuration.Command ModePrivileged Exec modeUser Guidelines.This command prompts the user to shut down the port for the duration ofthe test. Passive or active direct attach SFP/SFP+ cables are not based on1000BaseT technology and do not support TDR testing. Use the showcopper-ports tdr command to view the test results.The maximum distance the Virtual Cable Tester (VCT) can measure is 120 meters.ExamplesThe following example results in a report on the cable attached to port 1/0/3.console#test copper-port tdr te1/0/1This command takes the port offline to measure the cable length.Use the show copper-port tdr command to view the results..Do you wish to continue and take the port offline (Y/N)?yThe following example results in a failure to report on the cable attached toport te2/0/3.console#test copper-port tdr te2/0/3This command takes the port offline to measure the cable length.
