Received optical power refers to the range of average optical power that the receiver component of the optical module can receive under a certain bit error rate (BER=10-12) condition. The article Digital Diagnostic Function (DDM) For Optical Modules describes that DDM function can be used for real-time monitoring and fault location of the module's working status, in which the optical module's transmitting optical power and receiving optical power are the key parameters for. This is the information i got from the CLI of cisco router: Now I don't understand the TX Power being -0. 0 is that indicating there is an issue with the fiber cable? From what i have understood if an interface is shutdown then the TX Power level is -40. Its primary function entails converting electrical signals into optical signals. MPM3695-25/10 PMBus Changes? We just rebuilt a design with MPM3695-25 & MPM3695-10.
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