The service types supported by the PND2 board used by the OSN 8800 are: (Multiple choice)
The working mode provided by the line fiber quality monitoring function does not include _____.
Which of the following protections need to use the APS protocol? (Multiple Choice)
Which of the following meters/boards can be used to test the OSR metrics for 10G systems? (Multiple Choice)
If no bit error test is performed on a optical channel for 10 minutes, the local end uses the SDH analyzer to connect to the client-side port on the OTU board, the client-side port on the opposite OTU board need to be self-looped by a fiber. In the case of self-loop, a fixed attenuator must be added.