Tally Genicom 5040 Serial interface RS232C

Interfaces User guide
126
Serial interface RS232C Your printer’s serial interface supports the RS232C specification. The
signals are received and transmitted by a 9 pin connector.
Use a serial interface cable that meets the requirements of your host PC.
Connector assignment
Transmission length: max. 15 m
Type RS232C interface
Synchronization Asynchronous
Transmission rate 300 Baud to 38.400 Baud
Signal status OFF (log.1)–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
Transmission protocol XON/XOFF, READY/BUSY
Capacity of data buffer 32 KB max.
Pin Signal Signal from Ready/Busy XON/XOFF
1CD — — —
2 TXD Printer Valid Valid
3 RXD PC Valid Valid
4 RTS Printer Invalid Valid
5 Signal GND — Valid Valid
6 DTR Printer Valid Valid
7 DSR PC Valid Valid
8 CTS PC Invalid Valid
9CI — — —
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