Appendix A — Specifications
PF8d/PF8t Printers User’s Guide 37
Communication Interfaces
Serial default: 9600 baud, no parity, 8 data bits, 1 stop bit, XON/
XOFF protocol
Setting: RTS/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
Parallel Interface
Pin Function Transmitter
1/Strobehost/printer
2-9 Data 0-7 host
10 /Acknowledge printer
11 Busy printer