Power over fibre does exist, but it's only used for niche applications (I think ...

waste_monk on Feb 13, 2022 | parent | context | favorite | on: Single Pair Ethernet (SPE) – a leap forward in tec...

Power over fibre does exist, but it's only used for niche applications (I think some MRI machines use it, for example) due to the low efficiency. I think there are also problems with heat dissipation.