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Viewing the results of the cable analysis – Brocade FastIron Ethernet Switch Administration Guide User Manual

Page 209

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Viewing the results of the cable analysis

To display the results of the cable analysis, enter a command such as the following at the Privileged
EXEC level of the CLI.

device>show cable-diag tdr 1

Port Speed Local pair Pair Length Remote pair Pair status

--------- ----- ---------- ----------- ----------- -----------

01 1000M Pair A <50M Pair B Terminated

Pair B <50M Pair A Terminated

Pair C <50M Pair D Terminated

Pair D <50M Pair C Terminated

In the above output, Local pair indicates the assignment of wire pairs from left to right, where Pair A is
the left-most pair. The following table shows the Local pair mapping to the T568A pin/pair and color
assignment from the TIA/EIA-568-B standard.

Local pair definition

TABLE 26

Local pair

T568A pair and color assignment

Pair A

Pair 3 (green)

Pair B

Pair 2 (orange)

Pair C

Pair 1 (blue)

Pair D

Pair 4 (brown)

The following figure illustrates the T568A pin/pair assignment.

FIGURE 8 T568A pin/pair assignment

Syntax: show cable-diagtdr port

The following table describes the fields shown in the command output.

Viewing the results of the cable analysis

FastIron Ethernet Switch Administration Guide

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