How to Configure Virtual Cable Test on Huawei S2700?

Questions:
How to configure Virtual Cable Test on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:interface interface-type interface-number,The interface view is displayed.
Run:virtual-cable-test,The VCT function is configured.

NOTE:
-The test result is only for reference and may be inaccurate for cables from some vendors.
-Running the virtual-cable-test command may affect services on the interface in a short period of time.
-Combo electrical interfaces support VCT, but virtual cable tests are not recommended on combo electrical interfaces.
-Before performing a virtual cable test, shut down the remote interface or remove the network cable between the local and remote interfaces. Otherwise, signals   from the remote interface may make the test result inaccurate.

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