Curious, where would you have two signals of different amplitude in a fiber 
system?  PON return signals?


From: Adam Moffett 
Sent: Tuesday, July 11, 2023 5:07 AM
To: AnimalFarm Microwave Users Group 
Subject: [AFMUG] “Low pass” attenuator

Is there such a thing as a fiber attenuator that only attenuates a signal 
higher than some threshold?

I’m thinking to prevent overloading a receiver, but let weaker signals pass 
unimpeded.

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