3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch User Manual - page 222
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 (
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.