Elo TouchSystems SRK-MPPC Series User Manual page 35

CN20: Inverter Connector
Pin 1 +12V_INV
Pin 3 +12V_INV
Pin 5 Back-Light
Enable
Pin 7 N/C
Pin 9 GND
Pin 11 GND
CN21: POS Card Reader Connector
Pin 1 +5V
Pin 3 KDATA_SIO_TO_MSR
Pin 5 KDATA_MSR_TO_GFINGER
Pin 7 RS232_6_RX#
Pin 9 RS232_6_CTS#
Pin 11 KB_EN
Pin 13 USB20_MSR_P0+
Pin 15 GND
CN22: System FAN Connector
Pin 1 +5V
Pin 3 GND
CN23: IrDA Connector
Pin 1 +5V
Pin 3 IRDA_TX
RJ45_2: COM1, COM2, COM3, COM4
Pin 1 N/C
Pin 3 RS232_1_DSR#
Pin 5 RS232_1_RTS#
Pin 7 RS232_1_CTS#
Pin 9 GND
Pin 11 N/C
Pin 13 RS232_2_DSR#
Pin 15 RS232_2_RTS#
Pin 17 RS232_2_CTS#
Pin 19 GND
Pin 2 +12V_INV
Pin 4 +12V_INV
Pin 6 N/C
Pin 8 Back-Light
Enable
Pin 10 GND
Pin 12 GND
Pin 2
Pin 4
Pin 6
Pin 8
Pin 10
Pin 12
Pin 14
Pin 2 Feedback
Pin 2 IRDA_RX
Pin 4 GND
Pin 2 RS232_1_DCD#
Pin 4 RS232_1_RX#
Pin 6 RS232_1_TX#
Pin 8 RS232_1_DTR#
Pin 10 RS232_1_RI
Pin 12 RS232_2_DCD#
Pin 14 RS232_2_RX#
Pin 16 RS232_2_TX#
Pin 18 RS232_2_DTR#
Pin 20 RS232_2_RI
34
+5V
KDATA_SIO_TO_MSR
KCLK_MSR_TO_GHINGER
RS232_6_TX#
RS232_6_RTS#
GND
USB20_MSR_P0-