Intermec 7422 Guía De Usuario página 87

Serial Interface
The figure below displays the cable wiring
Cable Wiring
required to use the printer's serial interface.
Host
Host
*+5 volts at 150 mA for external device (e.g.scanner)
DB-9
Pin #
1
N/C
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Female DB-9 to Male DB-9
DB-25
Pin #
8
N/C
3
RxD
2
TxD
20
DTR
7
GND
6
DSR
4
RTS
5
CTS
22
RI
Female DB-25 to Male DB-9
Appendix A
Printer
DB-9
Pin #
1
+5 Volts*
2
TxD
3
RxD
4
N/C
5
GND
6
RDY
7
N/C
8
RDY
9
N/C
Printer
DB-9
Pin #
1
+5 Volts*
2
TxD
3
RxD
4
N/C
5
GND
6
RDY
7
N/C
8
RDY
9
N/C
71