Administrator Guide

Related
Commands
● show tdr — display the results of the TDR test.
show tdr
Display the TDR test results.
Syntax
show tdr interface
Parameters
interface Enter the keyword GigabitEthernet then the slot/port information for the
100/1000 Ethernet interface.
Defaults None
Command Modes EXEC
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.9(0.0) Introduced on the C9010.
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
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.
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 Definition
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.
694 Interfaces