The device IP addresses of the gateway NE and non-gateway NEs must be set in the same network segment.
Answer(s): B
The frame period of OTN signals is fixed, which is the same as that of SDH signals.
By default, the B2-EXC alarm is reported when the number of B2 bit errors exceeds the ( ) threshold.
Answer(s): C
Which of the following are the device-level protection schemes of SDH products? (Multiple Choice)
Answer(s): A,B,C,D
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