IBM 1800409-001A Benutzerhandbuch
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Serial
The table below gives the correct pinouts for the printer end of the
25-pin serial cable used to connect a computer and printer:
25-pin serial cable used to connect a computer and printer:
Pinout:
Serial
Serial
Pin No.
Name
2
TxD
3
RxD
4
RTS (optional)
5
CTS
6
DSR (optional)
7
GND
20
DTR (optional)
IBM PC/XT, PC/AT, and Compatible Computers
Pinout:
IBM PC/XT
IBM PC/XT
Printer
IBM PC/XT
DB-25S
DB-25P
1 1
2
2
3
3
2
4
5
5
4
20
6+8
6+8
20
7
7
Pinout:
IBM PC/AT
IBM PC/AT
Printer
IBM PC/AT
DB-25S
DB-9P
1 1
2
2
2
3
3
7
5
20
6+8
Appendix B
B - 1 2
T e c h n i c a l S p e c i f i c a t i o n s