Postek G2000 - Appendix A: Interface Specifications

G2000/G3000/G6000 Industrial User’s Manual Appendix A: Interface Specifications
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Appendix A: Interface Specifications
The RS232 connector on the printer is a DB9F:
Pin Direction Definition
1 / /
2 Out TX
3
In
RX
4
In
CTS
5 - Ground
6 Out RTS
7 In DSR
8 Out DTR
9 / /
Connection with host:
Host 25S Printer 9P Host 9S Printer 9P
TX 2
………
3 RX
RX 2
………
2 TX
RX 3 ……… 2 TX TX 3 ……… 3 RX
DSR 6 ……… 8 DTR DTR 4 ……… 7 DSR
DTR 20 ……… 7 DSR DSR 6 ……… 8 DTR
RTS 4 ……… 4 CTS RTS 7 ……… 4 CTS
CTS 5
………
6 RTS
CTS 8
………
6 RTS
GND 7 ……… 5 GND GND 5 ……… 5 GND
Alternately you can just connect the 3 wires as follows:
Host 25S Printer 9P Host 9S Printer 9P
TX 2
………
3 RX
RX 2
………
2 TX
RX 3 ……… 2 TX TX 3 ……… 3 RX
GND 7 ……… 5 GND GND 5 ……… 5 GND
pin 4 pin 4
pin 5 pin 6
pin 6
pin 7
pin 20 pin 8