We buy Huawei OSN 3500 in local, and now we need to test the SDI service, below is the steps, hope it can helpful for you.

1, Connect the cables to the equipment as pictures attached.

2, Set the service type on a video generator.

3, Set the eye diagram, image, BER, and jitter on a video analyzer.

4, Before the test, set the BER window to 0. Observe the video analyzer to check whether the service is available.

5, If the service is unavailable, configure a loopback from the local cross-connect board to the opposite VST4 board and a loopback from the opposite cross-connect board to the local VST4 board. Perform a test section by section to locate the fault.