Basically the whole telco industry runs off 48V, and has for a very long time. You'd have a rectifier box that would take the AC and output 48V, and then everyt

Basically the whole telco industry runs off 48V, and has for a very long time. You'd have a rectifier box that would take the AC and output 48V, and then everything would run from that. A lot of the satellite and wireless equipment I've worked on has inherited that and runs off 48 too.