Users Guide

show tdr
Displays the TDR test results.
Syntax
show tdr interface
Parameters
interface Enter the keyword TenGigabitEthernet followed by the slot/port information for the
100/1000/10 GbaseT Ethernet interface.
Defaults none
Command Modes EXEC
Supported Modes All Modes
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
8.3.17.0 Supported on the M I/O Aggregator.
Usage Information If the TDR test has not been run, an error message is generated:
%Error: Please run the TDR test first
The following describes the TDR test status.
Status Denition
OK Status:
Terminated
TDR test is complete, no fault is detected on the cable, and the test is terminated.
Length: 92 (+/- 1)
meters, Status:
Shorted
A short is detected on the cable. The location, in this Example is 92 meters. The short is
accurate to plus or minus one meter.
Length: 93 (+/- 1)
meters, Status:
Open
An opening is detected on the cable. The location, in this Example is 93 meters. The open
is accurate to plus or minus one meter.
Status: Impedance
Mismatch
There is an impedance mismatch in the cables.
Example
Dell#show tdr tengigabitethernet 1/1
Time since last test: 00:00:02
Pair A, Length: OK Status: Terminated
Pair B, Length: 92 (+/- 1) meters, Status: Short
Pair C, Length: 93 (+/- 1) meters, Status: Open
Pair D, Length: 0 (+/- 1) meters, Status: Impedance Mismatch
Related Commands tdr-cable-test — Runs the TDR test.
224 Interfaces