TallyGenicom la650 ユーザーガイド
User guide
Interfaces
123
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
Type
RS232C interface
Synchronization
Asynchronous
Transmission rate
600 Baud to 19.200 Baud
Signal status
OFF (log.1) –3 V to –15 V
ON (log. 0) +3 V to +15 V
ON (log. 0) +3 V to +15 V
Connection cable
up to 15 m length
Interface connections
ITT Cannon connector,
series DB-9 S
series DB-9 S
Transmission protocol
XON/XOFF, Robust XON/XOFF
Capacity of data buffer
128 KB max.
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