The technical specifications of the GE optical interface of a PTN device are known as follows: average transmit optical power (dBm): -5 ~ 0, receiving sensitivity (dBm): -23, minimum overload point (dBm): -3, minimum extinction ratio (DB): 9, for this optical interface, which of the following optical powers (dBm) is the most appropriate received optical power?

The technical specifications of the GE optical interface of a PTN device are known as follows: average transmit optical power (dBm): -5 ~ 0, receiving sensitivity (dBm): -23, minimum overload point (dBm): -3, minimum extinction ratio (DB): 9, for this optical interface, which of the following optical powers (dBm) is the most appropriate received optical power?
A . -3
B . -15
C . -5
D . 0

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Answer: B