JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation 2 - 3 Installation/Operation World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Section 2 Connector Pin Assignments Table 2 - 1 through Table 2 - 4 list the various WBA Connector pin assignments . Tables 2 - 1 through Table 2 - 3 list the WBA - 1X/ 2X - SS & SS2 Circuit Board Connector pin assignments .   Tables 2 - 4 and 2 - 5 respectively lists the WBA - 1X/2X - SS & SS2 Rear Panel Connector pin assignment .   Table 2 - 1   Connector CN1 Pin Assignments Connector CN1 Switch No . Signal Name Function 1 +12 V +12 V DC Power Supply 2 Gnd Ground Header: 53103 - 0230 (Japan Molex) Contact Type: 50083 - 8*14 (Japan Molex) Housing: 51030 - 0230 (Japan Molex) Recommended Wire: UL1007 AWG#24 to 30 Table 2 - 2   Connector CN2 Pin Assignments Connector CN2 Pin No . Signal Name Function 1 M . RES Acceptor Reset Signal 2 T XD Data transmission 3 +12V +12V DC Interface Power 4 R XD Data Reception 5 GND Signal Ground Table 2 - 3   Relay Connector Pin Assignments Connector CN3 Pin No . Signal Name Function 1 LED + LED drive (anode) 2 LED - LED drive (cathode) 3 NC Reserved (No Connection) 4 NC Reserved (No Connection) Header: 53103 - 0530 (Japan Molex) Contact Type: 50083 - 8*14 (Japan Molex) Housing: 51030 - 0530 (Japan Molex) Recommended Wire: UL1007 AWG#24 to 30 Header: 53103 - 0430 (Japan Molex) Contact Type: 50083 - 8*14 (Japan Molex) Housing: 51030 - 0430 (Japan Molex) Recommended Wire: UL1007 AWG#24 to 30 Table 2 - 4   WBA - 10/11,20&21 - SS 12 Pin Rear Panel Connector Pin Assignments WBA - 10/11,20&21 - SS Rear Panel Connector Pin No . Signal Name * I/O † Function 1 +12V +12V DC Power Supply 2 GROUND (Power) 0V DC Ground Plain 3 M . RES In Acceptor Reset Signal 4 TXD Out Data Transmission from WBA 5 +12V I/F +12V DC Interface Power 6 RXD In Data Reception into WBA 7 GND I/F Zero (0) Volt DC Interface Power 8 NC Reserved (No Connection) 9 LED + LED drive (anode) 10 LED - LED drive (cathode) 11 NC Reserved (No Connection) 12 NC Reserved (No Connection) * . I/O (input/output) is the terminal viewed from Bill Acceptor’s side . † . Signal name, I/O, and function without parenthesis are for ID - 003 interface . Socket Jack: DR1 - 12 - 2SCFO (JAE) Contact Type: DR - SC24 - 7000 (JAE) Socket Plug: DR1 - 12 - 2PCFO (JAE) Contact Type: DR - SP24 - 7000 (JAE)