Instruction manual

29
Alternately you can just connect the 3 wires as follows:
Host 25S Printer 9P Host 9S Printer 9P
TX 2 ……… 3 RX RX 2 ……… 2 TX
RX 3 ……… 2TX TX3 ……… 3 RX
GND 7 ……… 5 GND GND 5 ……… 5 GND
pin 4 pin 4
pin 5 pin 6
pin 6 pin 7
pin 20 pin 8
Baud rate : 9600, 19200, 38400,57600
Data format: always 8 data bits, 1 start bit and 1 stop bit.
Parity : always non parity.
Flow control: RTS/CTS (Hardware flow control).
If you are using software or drivers under the Windows environment, the
flow control must be set to “hardware”