Paxar MO 9742 - Manual (Page 34)

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MO9740 Manual
Connection with host:
Host 25S Printer 9P
Host 9S Printer 9P
(PC or compatible) (PC or compatible)
DTR 20 …… 1 DSR DTR 4 …… 1 DSR
DSR 6 …… 6 DTR DSR 6 …… 6 DTR
TX 2 …… 2 RX TX 3 …… 2 RX
RX 3 …… 3 TX RX 2 …… 3 TX
CTS 5 …… 7 RTS CTS 8 …… 7 RTS
RTS 4 …… 8 CTR RTS 7 …… 8 CTS
GND 7 …… 5 GND GND 5 …… 5 GND
Alternatively you can just connect the 3 wires in the following way.
Host 25S
Printer 9P
Host 9S Printer 9P
(PC or compatible) (PC or compatible)
TX 2 …… 2 RX TX 3 …… 2 RX
RX 3 …… 3 TX RX 2 …… 3 TX
GND 7 …… 5 GND GND 5 …… 5 GND
pin 4 pin 4
pin 5 pin 6
pin 6 pin 7
pin 20 pin 8
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MO9740 Manual
The most simple way to connect to other hosts (not PC compatible)
or terminals is:
Printer Terminal/Host
Pin 2- RxData ……… TxData
Pin 3- TxData ……… RxData
Pin 5- Ground ……… Ground
In general, as long as the data quantity is not too large and you use
Xon/Xoff as flow control, it will be problem free.
Baud rate : 2400, 4800, 9600, 19200 and 38400.
(programmable by command)
Data format : always 8 data bits, 1 start bit and 1 stop bit.
Parity : always non parity
Handshaking : XON/XOFF as well as CTS/RTS (hardware flow
control).
If you run an application with the bundled printer driver under
Windows and use the serial port, you should check the above
parameters and set the flow control to "Xon/Xoff "or "hardware".