Interfaces; Rs-232 Serial Interface - Intermec PB21 User Manual

Interfaces

RS-232 Serial Interface

PB21 and PB31 Mobile Receipt Printer User's Guide
This section describes the standard interfaces available on the PB50
and PB51 printers.
Use the following tables and graphics to understand the default
settings of the serial port.
Default Settings of the Serial Port
Parameter
Baud rate
Character Length or Data Bits
Parity
Stop Bits
Handshaking
The illustration below shows printer end of the serial cable.
6
3
Serial Cable (Printer End)
Serial Cable Pins and Descriptions (Printer End)
PIns Signal
1 HHC RXD
3 HHC CTS
5 HHC RTS
6 HHC TXD
8 GND
Default Setting
115200
8
None
1
none (Fingerprint
XON/XOFF (IPL)
8
5
1
Description
Receive data from host (input)
Clear to send from printer (output)
Request to send from host (input)
Transmit data to printer (output)
Ground
Appendix A — Specifications
71