Pin 1 - CREDIT_RELAY(Common)
Pin 2 - CREDIT_RELAY(N.O.)
Pin 3 - 12VDC (Power)
Pin 4 - INHIBIT +
Pin 5 - KEY
Pin 6 - Reserved
Pin 7 - Reserved
Pin 8 - Reserved
Pin 9 - Reserved
Pin 10 - Reserved
Pin 11 - Reserved
Pin 12 - Reserved
Pin 13 - Reserved
Pin 14 - Reserved
Pin 15 - Reserved
Pin 16 - Reserved
Pin 17 - Reserved
Pin 18 - INHIBIT -
Pin 19 - Reserved
Pin 20 - GND (Power)
Pin 21 - KEY
Pin 22 - Reserved
Pin 23 - Reserved
Pin 24 - Reserved
Pin 25 - Reserved
Pin 26 - Reserved
Pin 27 - Reserved
Pin 28 - Reserved
Pin 29 - Reserved
Pin 30 - Reserved
надеюсь разберёшся!