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GTE Single Slot Payphone, ID and other info needed

Started by BigBird0000, July 17, 2018, 02:54:10 PM

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I got a single slot payphone from someone who inherited a pile of stuff from their father.
The board says "GTE HB-5018-A".

I am looking for:

  • ID of phone
  • How to power or program?
  • Which pin is Green (for the Red White Red Blue) connector of coin switches
  • Which pins are used for the relay (I have 2 wires), I rep'd the relay, wrong one?


Wires colors from relay are Red & Yellow, Not Red & Orange

Dan F