OSI:Time-Domain Reflectometer
Z HelpDesk
Time-Domain Reflectometer (TDR) na Cisco přepínačích
Command to start the TDR
test cable tdr interface <interface of your choice>
Wait for about 5 to 7 seconds for the test to run
Command to show the result of the TDR test
show cable tdr interface <interface of your choice>
1 Gb/s
Interface Speed Local pair Pair length Remote pair Pair status --------- ----- ---------- ------------------ ----------- -------------------- Gi1/0/24 1000M Pair A 23 +/- 10 meters Pair A Normal Pair B 196 +/- 10 meters Pair B Normal Pair C 27 +/- 10 meters Pair C Normal Pair D 23 +/- 10 meters Pair D Normal
100 Mb/s
Interface Speed Local pair Pair length Remote pair Pair status --------- ----- ---------- ------------------ ----------- -------------------- Gi5/0/46 100M Pair A 50 +/- 10 meters N/A Normal Pair B 54 +/- 10 meters N/A Normal Pair C 44 +/- 5 meters N/A Open Pair D 44 +/- 5 meters N/A Open
Vadný kabel
Interface Speed Local pair Pair length Remote pair Pair status --------- ----- ---------- ------------------ ----------- -------------------- Gi1/0/21 100M Pair A 15 +/- 10 meters N/A Normal Pair B 13 +/- 10 meters N/A Normal Pair C 16 +/- 5 meters N/A Short Pair D 17 +/- 5 meters N/A Short