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23
Interface connections
Refer to the interface specifications for the host computer for details on
connecting to is its interface connector. The following illustration shows a
typical connection configuration.
Data protocol
The specifications for the DTR and X-ON/X-OFF modes are the same as
for the Standard Serial Interface.
1
2
3
4
6
1
2
3
4
5
6
7
8
20
F-GND
TXD
RXD
RTS
DSR
20
25
7
S-GND
DTR
INIT
Printer side
(D-sub 25 pin)
IBM PC side
(D-sub 25 pin)
F-GND
TXD
RXD
RTS
CTS
DSR
S-GND
DCD
DTR
1
2
3
4
6
3
2
7
8
6
5
1
4
F-GND
TXD
RXD
RTS
DSR
20
25
7
S-GND
DTR
INIT
Printer side
(D-sub 25 pin)
IBM PC side
(D-sub 9 pin)
F-GND
TXD
RXD
RTS
CTS
DSR
S-GND
DCD
DTR