3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch User Manual - page 220
220
C
HAPTER
18: M
ANAGING
D
EVICE
D
IAGNOSTICS
Configuring Cable
Diagnostics
Cable diagnostics perform basic connectivity tests on copper cables. The
tests use Time Domain Reflectometry (TDR) technology to test the quality
and characteristics of a copper cable attached to a port.
This section contains the following topics:
■
Viewing Cable Diagnostics
■
Defining Cable Diagnostics
Viewing Cable
Diagnostics
The
Cable Diagnostics Summary Page
contains fields for viewing tests on
copper cables. Cable testing provides information about where errors
occurred in the cable, and the last time a cable test was performed.
To view cables diagnostics:
1
Click
Monitoring > Cable Diagnostics > Summary
. The
Cable
Diagnostics Summary Page
opens:
Figure 113
Cable Diagnostics Summary Page
The
Cable Diagnostics Summary Page
contains the following fields:
■
Port
— Indicates the port to which the cable is connected.
■
Test Result
— Displays the cable test results. Possible values are:
■
OK
— Indicates that the cable passed the test.