Notes
-Mainboard to Telephony board inside the Millennium payphone 3-15-2014
Today I Noted that on J4 on the main board.
Pin 14 is ground
Pin 24 is ether TX or RX
Pin 25 is ether TX or RX
Pin 26 appears to be clock.
Pin 1 is ring indicator
Pin 9 and 10 is +5vDC
Pin 16 and 17 are tip and ring.
Card Reader Connector
Ping 16 is Tip
Pin 15 is Ring
Pin 2 and 14 is ground
Pin 9 8 7 5 are all Sensors
Pin 4 is +5vDC