What is the VCT function used for

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The virtual cable test (VCT) function can detect the type of a network cable fault and identify the failure point. This function helps to locate and rectify faults of network cables effectively.

After a test is complete on an interface, the interface is reset and the interface status changes from Down to Up. The interval between two tests must be long enough for the chip to restore to normal state. The test result can be any of the following:
-Ok: The network cable on the interface is working normally. If the cable length is displayed as Unknown, the cable status is OK, but the cable length test result cannot be used.
-Open: Continuity loses between two connectors at the ends of the twisted pair. The test result displays the distance between the interface and the failure point to help you find the failure point.
-Short: Two or more conducting wires are short circuited. The test result displays the distance between the interface and the failure point to help you find the failure point.
-Crosstalk: The wire sequence in the twisted pair is incorrect.

The cable length displayed in the VCT test is for reference only.

Other related questions:
What is the overall power consumption of the VCT endpoint?
ViewPoint 9039: �� 150 W Other models: �� 100 W

Definition of the VCT endpoint
The VCT endpoints are HD videoconferencing endpoints. They are also called the Huawei ViewPoint 9000 series endpoint, including ViewPoint 9030, ViewPoint 9033, ViewPoint 9035, ViewPoint 9036, ViewPoint 9039, and ViewPoint 9039S.

What is the meaning of the cable length value in the VCT test
You can run the virtual-cable-test command to test whether a cable is faulty. You can locate and rectify cable faults according to the command output. -If the cable works properly, the total length of the cable is displayed. -If the cable is faulty, the distance between the local interface and the fault point is displayed. The cable length displayed in the VCT test is for reference only.

How do I change the IP address of the ViewPoint 8033C?
You can change the IP address of the ViewPoint 8033C using the remote control or web interface. Procedure: 1. Using the remote control a. Choose System > Admin > Network. b. Select Local IP address and set the IP address. 2. Log in to the web interface, choose System > Admin > Network, and change the IP address.

What is the valid distance of the video output cable for ViewPoint 9000 series endpoints?
ViewPoint 9000 series endpoints provide the DVI and SDI ports. The valid distance of the DVI cable is 13 meters, and the valid distance of the SDI cable is 60 meters.

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