Appendix A — Specifications
PB50 and PB51 Mobile Printer User Guide 75
The following illustration shows the PC end of the serial cable.
RS-232 Serial Cable DB9 Pins
USB Interface
To use the USB interface to print from a PC, you need to install the
Intermec InterDriver printer driver on your PC. For help setting up
USB communications, see “Connecting the Printer Through the
USB Interface” on page 30.
The USB cable that ships with the printer has a USB Type A connector
on one end to connect to the PC, and a USB Type B connector on the
other end to connect to the printer. You do not need to configure
communications for the USB port.
Serial Cable Pins and Description (PC End)
Pin Signal Description
1 DCD Data carrier detect
2 RXD Receive data from host (input)
3 TXD Transmit data to printer (output)
4 DTR Data terminal ready
5GND Ground
6DSR Data set ready
7 RTS Request to send from host (input)
8 CTS Clear to send from printer (output)
9 RI Ring indicator
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