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CN20: Inverter Connector
Pin 1
+12V_INV
Pin 2
+12V_INV
Pin 3
+12V_INV
Pin 4
+12V_INV
Pin 5
Back-Light
Enable
Pin 6
N/C
Pin 7
N/C
Pin 8
Back-Light
Enable
Pin 9
GND
Pin 10
GND
Pin 11
GND
Pin 12
GND
CN21: POS Card Reader Connector
Pin 1
+5V
Pin 2
+5V
Pin 3
KDATA_SIO_TO_MSR
Pin 4
KDATA_SIO_TO_MSR
Pin 5
KDATA_MSR_TO_GFINGER Pin 6
KCLK_MSR_TO_GHINGER
Pin 7
RS232_6_RX#
Pin 8
RS232_6_TX#
Pin 9
RS232_6_CTS#
Pin 10 RS232_6_RTS#
Pin 11 KB_EN
Pin 12 GND
Pin 13 USB20
Pin 14 USB20_MSR_P0-
Pin 15 GND
CN22: System FAN Connector
Pin 1
+5V
Pin 2
Feedback
Pin 3
GND
CN23: IrDA Connector
Pin 1
+5V
Pin 2
IRDA_RX
Pin 3
IRDA_TX
Pin 4
GND
RJ45_2: COM1, COM2, COM3, COM4
Pin 1
N/C
Pin 2
RS232_1_DCD#
Pin 3
RS232_1_DSR# Pin 4
RS232_1_RX#
Pin 5
RS232_1_RTS# Pin 6
RS232_1_TX#
Pin 7
RS232_1_CTS# Pin 8
RS232_1_DTR#
Pin 9
GND
Pin 10
RS232_1_RI
Pin 11
N/C
Pin 12
RS232_2_DCD#
Pin 13
RS232_2_DSR# Pin 14
RS232_2_RX#
Pin 15
RS232_2_RTS# Pin 16
RS232_2_TX#
Pin 17
RS232_2_CTS# Pin 18
RS232_2_DTR#
Pin 19
GND
Pin 20
RS232_2_RI
