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The maximum output optical power of an optical amplifier OBU is 20 dBm, and when it is used in the C-band 80 passive system, how much dBm should the single-wave standard output optical power be?
The maximum output optical power of an optical amplifier OBU is 20 dBm, and when it is used in the C-band 80 passive system, how much dBm should the single-wave standard output optical power be?
A . +4dBm
B . +7dBm
C . -2dBm
D . +1dBm
Answer: D
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