Serial interface
RS232C/V.24
Your printer’s serial interface supports the RS232C specification. The
signals are received and transmitted by a 25 pin connector.
Basically 3 lines are already enough for exchanging information between
computer and printer (one receive line, one send line, one line for common
grounding).
Connector assignment
Connector
no.
Direction Signal
1
FRAME GROUND
2
→
TxD
3
←
RxD
4
→
RTS
5
←
CTS
6
←
DSR
7
SIGNAL GROUND
10, 11, 19
→
READY
20
→
DTR
25
not used
Transmission length: max. 15 m
Serial interface RS232C/V.24
B - 4
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