3Com 2924-SFP User Manual page 180

180 C 17: M
HAPTER ANAGING
D D
EVICE IAGNOSTICS
To test cables:
1 Click Monitoring > Cable Diagnostics > Diagnostics. The Diagnostics
Page opens:
Figure 101 Diagnostics Page
The Diagnostics Page contains the following fields:
Select a Port — Specifies the port to be tested.
■
Test Result — Displays the cable test results. Possible values are:
■
No Cable — Indicates that a cable is not connected to the port, or
■
the cable is connected on only one side or the cable is shorter than
1 meter.
Short Cable — Indicates that a short has occurred in the cable.
■
OK — Indicates that the cable passed the test.
■
Cable Fault Distance — Indicates the distance from the port where
■
the cable error occurred.
A Cable Fault Distance of 0 can result from a short (<1m) cable, an open
cable or a 2-pair copper cable.
Last Update — Indicates the last time the port was tested.
■
2 Select a port to be tested.
3 Click Apply. The ports are tested, and the page is updated.