
Most reader
Oleg-mk/JLR-MOST-Reader
Listen-only MOST25 adapter for JLR: the factory stereo out over TOSLINK, the car's own volume controls applied digitally with no quality loss
Everlight ElectronicsExtended
Fiber Optic Transmitter - Fiber Optical Transceivers ROHS
The PLT237/T10WH is a fiber Optical Transceiver made by Everlight Electronics with 5 pins. Fiber Optic Transmitter - Fiber Optical Transceivers ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:CONN-TH_PLT237-T10WH, from EasyEDA), ready for a KiCad board. 172 are in stock at JLCPCB (part C17296340). 10 open-source boards in 4 repositories on GitHub use it.
The library has no symbol for this part yet.

Oleg-mk/JLR-MOST-Reader
Listen-only MOST25 adapter for JLR: the factory stereo out over TOSLINK, the car's own volume controls applied digitally with no quality loss


islandcontroller/fiberaudio-pm
A Pmod™ Compatible peripheral module featuring a pair of active optical audio transmitter/receivers





Yes. the footprint EasyEDA_Cloud:CONN-TH_PLT237-T10WH, both drawn on this page. PCBKit places them on a board for you when you design with it.
JLCPCB lists it as part C17296340, with 172 in stock; the sellers' links on this page open their listings.
10 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.