The overloaded optical power of the APD-type receiving optical applicator is only -9dBm, and it is especially necessary to be careful to prevent the optical module from being burned due to excessive power.
Answer : A
When configuring electrical cross-connect services on NG WDM equipment, the client-side service types at both ends of a bidirectional service must be consistent.
Answer : A
Which of the following alarms will be reported by the peer end when it is detected that the error code exceeds the limit in the B2 byte?
Answer : C
Which of the following logical function blocks is used for multiplexing section switching?
Answer : B
NE1 and NE2 are the intersection nodes of the SNCP ring and the SNCP ring. How many SNCP protection groups and how many unidirectional cross-connects should be configured on NE1.
Which of the following is correct?
Answer : C
Which items belong to the optical layer path in the path hierarchy of the WDM network?
Answer : A, B, C
Which of the following descriptions about electrical layer service configuration is wrong?
Answer : D