User Guide Options and accessories
Serial interface V.24/RS232C (optional)
Your printer’s serial interface supports the RS232C specification. The signals are
received and transmitted by a 9 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).
Type
Synchronization
Transmission rate
Signal status
Connection cable
Interface connections
Transmission protocol
Capacity of data buffer
RS232C interface
Asynchronous
600 Baud to 19.200 Baud
OFF (log.1)–3 V to –15 V
ON (log. 0)+3 V to +15 V
up to 15 m length
ITT Cannon connector, series DB-9 S
XON/XOFF, ENQ/STX, READY/
BUSY, Robust XON/XOFF, ETX/ ACK
1024 KB max.
Connector assignment
Connector
no.
Direction
Printer–PC
Signal
3
4
2
6
7
8
5
Shield
→
→
←
←
→
←
TxD
DTR
RxD
DSR
RTS
CTS
Signal Ground SG
Frame Ground FG
Transmission length: max. 15 m
161
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