App Note: Analog switch multiplexes SFP modules

rsdio writes: There is probably a way to implement this circuit with any analog mux instead of the Maxim part…

Analog Switch Multiplexes SFP Modules

To avoid multiple I²C bus masters in a telecom or data-communications system with SFP modules, add an analog multiplexer (MAX4572) that directs the data line to the appropriate SFP module.

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