A.If the receiving and sending are mismatched, the corresponding VC-4 channel on the local end generates an LP_SLM alarm

B.C2=00H means the VC-4 is not loaded

C.C2 byte setting requires that the sender and receiver match

D.Its function is to indicate the multiplexing structure of the VC frame and the nature of the information payload

A.False

B.True

A.OTN provides up to five levels of nested or overlapping TCM connection monitoring

B.OTN provides powerful out-of-band FEC function to effectively ensure line transmission performance

C.WDMI function is used to meet the requirement of Tbit/s bandwidth per fiber

D.OTN provides 2.7Gbit/s, 107Gbit/s, 43Gbit/s and even 117.8Gbit/s high-speed connections?

A.-48V power indicator light system +3.3V backup power indicator light system +5.0V backup power indicator light

B.A-48V power indicator light B-48V power indicator light System +3.3V backup power indicator light

C.-48V power indicator light system +5.0V backup power indicator light system +3.3V backup power indicator light

D.A-48V power indicator B-48V power indicator System +5.0V backup power indicator

A.Interface board

B.Auxiliary board

C.Service Processing Board

D.Service processing board with interface