Configuration Guide User guide

FastIron Configuration Guide 499
53-1002494-02
Virtual cable testing
FIGURE 39 T568A pin/pair assignment
Syntax: show cable-diag tdr <port>
Specify the port variable in one of the following formats:
• FWS, FCX, and ICX stackable switches – stack-unit/slotnum/portnum
• FSX 800 and FSX 1600 chassis devices – slotnum/portnum
• ICX devices – slotnum/portnum
• FESX compact switches – portnum
Table 89 defines the fields shown in the command output.
TABLE 89 Cable statistics
This line... Displays...
Port The port that was tested.
Speed The port current line speed.
Local pair The local link name. Refer to Table 88.
Pair Length The cable length when terminated, or the distance to the point of fault
when the line is not up.
Remote pair The remote link name.
Pair status The status of the link. This field displays one of the following:
• Terminated: The link is up.
• Shorted: A short is detected in the cable.
• Open: An opening is detected in the cable.
• ImpedMis: The impedance is mismatched.
• Failed: The TDR test failed.
RJ-45 JACK
T568A STANDARD
Pair 3
Green
Pair 1
Blue
Pair 4
Brown
Pair 2
Orange
PC
STRAIGHT-THRU
HUB
TX+ 1
TX- 2
RX+ 3
4
5
RX- 6
7
8
1 RX+
2 RX-
3 TX+
4
5
6 TX-
7
8