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wolrah
May 8, 2006
what?

babyeatingpsychopath posted:

This is how phone company stuff typically works, since they want zero downtime switchover, and double-conversion stuff gives very clean power.
Phone company stuff typically skips the second conversion entirely and runs directly on -48vDC. It makes power distribution more complicated but makes redundancy a lot easier and helps efficiency.

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wolrah
May 8, 2006
what?

taqueso posted:

What is 'power pole' charging?

The red/black DC connectors on it are Andersen PowerPole connectors. Common in ham radio and a few other markets that use a lot of higher-power DC.

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