Dell PowerConnect 3548 Command Line Interface Guide - Page 278

show copper-ports tdr The show copper-ports tdr User EXEC mode command displays information on the last Time Domain Reflectometry (TDR) test performed on copper ports. • show copper-ports tdr [interface] • interface - A valid Ethernet port. (Full syntax: unit/port) Default Configuration This command has no default configuration. Command Mode User EXEC mode. User Guidelines • The maximum length of the cable for the TDR test is 120 meter. Example The following example displays information on the last TDR test performed on all copper ports. Console> show copper-ports tdr Port ---1/e1 1/e2 1/e3 1/e4 1/e5 Result Length [meters] ------- -------- OK Short 50 Test has not been performed Open 64 OK - Date ----- 13:32:00 23 July 2005 13:32:00 23 July 2005 - show copper-ports cable-length The show copper-ports cable-length User EXEC mode command displays the estimated copper cable length attached to a port. Syntax • show copper-ports cable-length [interface] • interface - A valid Ethernet port. (Full syntax: unit/port) 278 PHY Diagnostics Commands