Digital Optical Monitoring - Brocade Communications Systems FastIron FGS624P Hardware Installation Manual

Connecting Network Devices and Checking Connectivity
Troubleshooting network connections
Command syntax
To diagnose a cable using TDR, enter a command such as the following at the Privileged EXEC level of the CLI:
FGS 624# phy cable-diag tdr 1
This command diagnoses the cable attached to port 1.
Syntax: phy cable-diag tdr <port-num>
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:
FGS 624#show cable-diag tdr 1
Port Speed Local pair Pair Length Remote pair Pair status
--------- ----- ---------- ----------- ----------- -----------
01 1000M Pair A
Pair B
Pair C
Pair D
Syntax: show cable-diag tdr <port-num>
Table 3 defines the fields shown in the command output.
TABLE 3 Cable Statistics
This Line...
Port
Speed
Local pair
Pair Length
Remote pair
Pair status

Digital Optical Monitoring

NOTE
Digital Optical Monitoring is not supported for FGS-STK devices running release 05.0.01.
72
<50M Pair B
<50M Pair A
<50M Pair D
<50M Pair C
Displays...
The port that was tested.
The port's current line speed.
The local link name.
The cable length when terminated, or the distance to the point of fault when the
line is not up.
The remote link name.
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.
Terminated
Terminated
Terminated
Terminated
Brocade FastIron GS and GS-STK Hardware Installation Guide
Part Number: 53-1002186-03