Which reason for the OA_LOW_GAIN alarm is wrong?

Which reason for the OA_LOW_GAIN alarm is wrong?
A . The input optical power of the board is too high
B. The insertion loss between the TDC and RDC optical ports is too large (only for the OAU board)
C. The board that reported this alarm is faulty
D. The gain of the optical amplifier board is set too low

View Answer

Answer: D