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Appendix A — Specifications
38 PF8d/PF8t Printers User’s Guide
Communication Interfaces
Serial Default: 9600 baud, no parity, 8 data bits, 1 stop bit,
XON/XOFF protocol
Setting: RTX/CTS
RS-232 Housing: 9-pin to 9-pin
Connector Type: B
Serial Interface Connections
Pin Host - DB9 Socket Printer - DB9 Plug
1 +5V, max 500ma
2 RXD TXD
3TXDRXD
4 DTR N/C
5 GND GND
6 DSR RTS
7RTSCTS
8 CTS RTS
9RIN/C
Note: The total current output from the serial port cannot exceed
500 ma.
USB Interface
Pin Function
1VBUS
2 D-
3D+
4 GND