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Electronics

SFP loopback board

A simple SFP loopback board that loops back any received signal on the SFP RX-pins to the TX-pins. There's a voltage divider probing the signals, and an ONET1191P limiting amplifier provides amplified differential outputs, for probing the signal going through the SFP.

https://github.com/aewallin/SFP-Loopback-Board

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