The maximum output optical power of an OBU board is 20 dBm, when it is used in a C-band 80-channel system, what is the standard per-channel output optical power?
A. +1dBm
B. -2dBm
C. +7dbm
D. +4dBm
The maximum output optical power of an OBU board is 20 dBm, when it is used in a C-band 80-channel system, what is the s
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The maximum output optical power of an OBU board is 20 dBm, when it is used in a C-band 80-channel system, what is the s
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