JCM Part No . 960 - 000058R _ Rev . 2 © 2008,   JCM - American Corporation 8 Section 2 EBA - 03 Bill Validator Installation / Operation Pin Assignments Table 2 - 1   Serial I/F (ID - 044C) Pins Assignments Pin Signal No . Signal Name I/O Active Description 1 Vdd Power supply 12V (±5%) 2 Vss GND 3 DATA Output Low The output terminal for communications data 4 CTS Input Low The transmission authorization signal for comm - unication data 5 Vss GND 6 Vcc Power supply 5V ( ± 5%) MAX 20mA 7 BUSY Output Low The output signal indicating the validator is functional 8 DISABLE/ EN ABLE Input Low The signal for disabling (High) and enabling (Low) the registering of bills 9 RTS Output Low The signal for confirming the commencement of communications data 10 NC Table 2 - 2   Pulse I/F (ID - 044C) Pins Assignments Pin No . Signal Name I/O Active Description 1 Vdd Power supply 12V ( ± 5%) 2 Vss GND 3 VEND Output Low Registered bill type signal (pulse signal) 4 NC 5 Vss GND 6 Vcc Power supply 5V ( ± 5%) M AX 20mA 7 BUSY Output Low The output signal indicating the validator is functional 8 DISABLE/ ENABLE Input Low The signal for disabling (High) and enabling (Low) the registering of bills 9 NC 10 NC Table 2 - 3   Bi - direc tional Serial I/F (ID - 003) Pin Assignments Pin No . Signal Name I/O Active Description 1 Vdd Power supply 12V ( ± 5%) 2 Vss GND 3 TXD Input Output signal line from acceptor 4 RXD Output Output signal line from controller 5 Vss GND 6 Vcc Output Power supply 5V ( ± 5%) M AX 20mA 7 NC Leave unconnected 8 NC Leave unconnected 9 NC Leave unconnected 10 NC Leave unconnected CN1 CPU Board 9                      1 10                     2