TallyGenicom la550n Guía Del Usuario
User guide
Interfaces
124
Serial interface V.24/
RS232C
RS232C
Your printer’s serial interface supports the RS232C specification.
The signals are received and transmitted by a 9 pin connector.
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).
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