Dell N3200-ON EMC Networking N-Series Switches CLI Reference Guide version 6.7 - Page 2145

Syntax test copper-port tdr interface • interface - A valid Ethernet port. Default Configuration This command has no default configuration. Command Mode Privileged Exec mode User Guidelines. This command prompts the user to shut down the port for the duration of the test. Passive or active direct attach SFP/SFP+ cables are not based on 1000BaseT technology and do not support TDR testing. Use the show copper-ports tdr command to view the test results. The maximum distance the Virtual Cable Tester (VCT) can measure is 120 meters. Multi-gig ports (2.5G and 5G) must have the cable disconnected at the switch for the test to yield correct results. Disable green-mode on the port to ensure accurate results. Examples The following example results in a report on the cable attached to port 1/0/3. console#test copper-port tdr te1/0/1 This 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)?y The following example results in a failure to report on the cable attached to port te2/0/3. console#test copper-port tdr te2/0/3 This 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) y Error! Invalid interface 2/0/3 Switch Management Commands 2145