H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 85)

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VCT
Overview
NOTE:
•
The optical interface of a Combo port does not support this feature.
• A link in the up state goes down and then up automatically if you perform this operation on one of the
Ethernet interfaces forming the link.
You can use the Virtual Cable Test (VCT) function to check the status of the cable connected to an Ethernet
port on the device. The result is returned in less than 5 seconds. The test covers whether short circuit or
open circuit occurs on the cable and the length of the faulty cable.
Testing cable status
1. Select Device > VCT from the navigation tree to enter the page for testing cable status.
2. Select the port you want to test in the chassis front panel.
3. Click Test.
The test result is returned in less than 5 seconds.
View the test result in the Result area, as shown in
Figure 57 .
Figure 57 Test the status of the cable connected to an Ethernet port