TOSLINK is one of the very few consumer fiber optical standards. It transports digital, uncompressed PCM audio over plastic fibers.
Why not transport IP-over-Toslink instead?
It's a 1.536 Mbit/s data link after all...
https://www.youtube.com/watch?v=9uWi8iWym9c
New blogpost:
https://kittenlabs.de/ip-over-toslink/