Dascom LA550W User Guide - Manual (Page 132)

User guide Interfaces
124
Serial interface V.24/
RS232C
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 bet-
ween computer and printer (one receive line, one send line, one line
for common grounding).
Connector assignment
Transmission length: max. 15 m
Connector no.
Direction
Printer–PC
Signal
3
→
TxD
4
→
DTR
2
←
RxD
6
←
DSR
7
→
RTS
8
←
CTS
5

Signal Ground SG
Shield

Frame Ground FG
5 1
6 9