13-2 Cable Diagnostics
This section is used for running the Cable Diagnostics for copper ports. Press Start to run the
diagnostics. This will take approximately 5 seconds. If all ports are selected, this can take
approximately 15 seconds. When completed, the page refreshes automatically, and you can
view the cable diagnostics results in the cable status table. Note that this is only accurate for
cables of length 7 -140 meters. The 10 and 100 Mbps ports will be linked down while running;
running on a 10 or 100 Mbps management port will cause the switch to stop responding until
it is complete.
The cable length reported could have a plus or minus 3 meter inaccuracy if the diagnostic port
to be checked is link down, and it could have a plus or minus 15 meter inaccuracy if the
diagnostic port to be checked is link up. Note that the port link up on 10M speed is not
supported.
Web Interface
To configure a Cable Diagnostics Configuration in the web interface:
1. Click Diagnostics and Cable Diagnostics.
2. Specify the Port that you want to check.
3. Click Start.
Figure 13-2: The Cable Diagnostics page
Parameter descriptions:
Port : At the dropdown, select he port number on which you want to run Cable Diagnostics.
Cable Diagnostics Status
Port: The Port number you are requesting Cable Diagnostics.
Test Result: The status of the cable pair being diagnosed (e.g., OK or Abnormal)
Length: The length (in meters) of the cable pair.
Button
Start : Start cable diagnostics on the port that you selected.
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