Technical data

236 FastIron Ethernet Switch Administration Guide
53-1002637-02
Virtual cable testing
9
FIGURE 7 T568A pin/pair assignment
Syntax: show cable-diag tdr port
Table 19 defines the fields shown in the command output.
TABLE 19 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 18.
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