BOARD SETTING
GP-3472/GP-3474/GP-3476 POS Terminal
15
JPC4
:
Serial Port Voltage Switch Jumper for JCOM4
Pin 1-2 Close: Pin 9=0V
Pin 3-4 Close: Pin 9=5V (Default)
Pin 5-6 Close: Pin 9=12V
JCOM3 / JCOM5 / JCOM6: Serial Port Headers
Pin Assignment Pin
Assignment
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 0V/5V/12V 10
NA
JPC3 / JPC5 / JPC6: Serial Port Voltage Switch Jumper for JCOM3
/ JCOM5 / JCOM6
Pin 1-2 Close: Pin 9=0V (Default)
Pin 3-4 Close: Pin 9=5V
Pin 5-6 Close: Pin 9=12V