A.FALSE

B.TRUE

A.If the receiving end detects that the H1H2 byte is all "1", the local end generates an AU-AIS alarm.

B.AU-PTR refers to the location of the J0 byte.

C.The root cause of the AU pointer adjustment is that the clocks between the upstream and downstream stations are not synchronized.

D.Since the value of the AU-PTR pointer is placed in the last 10 bits of the two bytes H1 and H2, the valid value is 0~1023.

A.Regularly clean the air filter to facilitate heat dissipation

B.Equipment needs safety grounding

C.Wear an ESD-preventive wrist strap or gloves to prevent static electricity from damaging the board.

D.CLASS 1M means low optical power, no damage to eyes or skin

A.Activated

B.Deployment

C.Activation

D.Deployed

A.MCA8

B.Optical power meter

C.SDH Analyzer

D.Spectrum Analyzer