The overhead ratio is a factor that affects the error correction capability of the FEC technology. Generally, when the same FEC encoding/decoding algorithm is used, the higher the overhead ratio is, the larger the net coding gain is.

The following description of the alarm, which is correct? (Multiple choice)

What should be paid attention to when configuring extended ECC? (Multiple Choice)

Which of the following standards must be met for the isolation test in the feature test of the multiplexer/demultiplexer?

An OTN network uses WSMD4 to form a ROADM network element. After the logical fiber is created, the paths that can be directly searched are: (Multiple choice)