84 Intermec EasyCoder PD4—User’s Guide
Appendix C—Interface
RS-232 Interface
Protocol
Default setup:
Baud rate: 9600
Char. Length 8 bits
Parity: None
Stop bits: 1
Handshaking: XON/XOFF and RTS/CTS
To change the RS-232 interface settings, see Chapter 5, “Printing.”
Signals on printer’s serial port:
DB-9 Signal Meaning
1 External +5V DC Max 500mA, permanently enabled
2 TXD Transmit data
3 RXD Receive data
4
5 GND Ground
6
7 CTS Clear to send
8 RTS Request to send
9
Interface Cable
Computer end: Depends on computer model
Printer end: DB-9pin plug
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