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I want to replace my lan comms with a fiber comms
Does a component exist for sfp module exist
If not has any body had any success with fiber communications
I can obtain the following breakout boards to experiment with.

https://vksdr.com/pmod#sfp
or
https://hackaday.com/2021/02/13/experim ... -breakout/
thanks

This type of work is suitable for FPGAs, not for microcontrollers. You can buy Ethernet-to-Fiber converters with Gigabit speeds. A simple microcontroller can handle up to 115200 Baud via UART, it's far away from acceptable Ethernet speed.

Your linked modules good for long distance UART but not for Ethernet.

Thank You