3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch, User Manual

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222 C
HAPTER
18: M
ANAGING
D
EVICE
D
IAGNOSTICS
To test cables:
1 Click Monitoring > Cable Diagnostics > Diagnostics . The Diagnostics
Page opens:
Figure 114 Diagnostics Page
The Diagnostics Page contains the following fields:
■
Select a Port — Selects the port to be tested.
■
Test Result — Displays the cable test results. Possible values are:
■
OK — Indicates that the cable passed the test.
■
Failed — Indicates that the cable failed the test. The test will fail if a
cable is not connected to the port, the cable is connected on only
one side, the cable is shorter than one meter, or a short has
occurred in the cable.
■
Cable Fault Distance — Indicates the distance in meters from the
port where the cable error occurred.
A Cable Fault Distance of 0M can result from a short (< 1 meter) 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. The port is tested, and the page is updated.