Dascom T5040 User Guide - Manual (Page 138)

Interfaces User Guide
130
Serial interface RS232C Your printer’s serial interface supports the RS232C specification. The
signals are received and transmitted by a 9 pin male 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 4,800 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
Pin Signal Signal from Ready/Busy XON/XOFF
1 CD Printer — —
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
9 CI — — —
5 1
6 9