Bruce N wrote:
Andrew,I doubt there is ANYHING in the boxes that run close to 130V
The old SPAN lines would have voltage in that range. They'd be used for
carrying a DS1 (T1) over long distances with repeaters every 6000(?)
feet. The repeaters were powered by high voltage DC fed into the pair.
There'd be a positive voltage at one end and negative on the other. The
repeaters were wired so they'd be in series for the DC power.
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