Users Guide

Command Modes EXEC
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7.0.0 Introduced on the S5000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Introduced on the E-Series ExaScale.
7.7.1.0 Introduced on the S-Series.
7.6.1.0 Introduced on the C-Series.
6.1.1.0 Introduced.
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 11/2
Time since last test: 00:00:11
Pair A, Length: OK Status: Terminated
Pair B, Length: OK Status: Terminated
Pair C, Length: OK Status: Terminated
Pair D, Length: OK Status: Terminated
Related Commands tdr-cable-test — runs the TDR test.
Interfaces
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