Argox F1 - Manual (Page 69)

69
Interface Specifications
The Argox F-Series printer sends and receives messages through serial,
parallel and USB communication interfaces. The printer automatically checks
each interface for incoming messages.
Serial Interface Specification
The serial interface of the F-Series printer is an RS-232 port with 9-pin (DB9-S)
connector located at the rear of the printer. You can change the baud rate; data
bit, parity bit and stop bit by both sending commands to the printer and by
using the LCD panel.
Pin Assignment and Description
Pin Signal Description
1 No function Shorted to Pin - 6
2
Received Data,
RxD
Input. Serial “Received Data”
3
Transmitted Data,
TxD
Output. Serial “Transmitted
Data”.
4 No function No connection
5 GND Signal Ground
6 No function Shorted to Pin - 1
7
Request to Send,
RTS
Output. Used as the control
signal for “H/W Flow Control “
8 Clear to Send, CTS
Input. Used as the control signal
for “H/W Flow Control”
9 +5V
Output. Pin 9 is reserved for
KDU (keyboard device unit)