Paxar 9430RX User Manual
Page 22
Configuring the Printer 2-9
Printer Pinouts
There is a port for a 6-Pin RJ25 data connector. It provides RS-232
communications and is located at the back of the printer. The six connections
provide the serial interface to the host. The table below lists the serial interface
signals and pinouts.
NOTE: Pins 1 and 3 must be set on at all times.
Pin #
Description
Input/Output
Signal
3
Signal to printer from host
Input
RXD
2
Signal to host from printer
Output
TXD
6
Request to send from Host
Input
RTS
4
Clear to send from Printer
Output
CTS
1 and 5
Logic common
COM
Following are the pin locations on the connector:
The following control characters are related to communications between the
printer and the host.
Char.
Hex
Control Action
AUXON 0x12
Signals to the host that the printer is online. It is sent after
initial power up, clearing a supply jam, or re-loading supply.
AUXOFF 0x15
Signals to the host that the printer is out of supply or has
powered down.
XON 0x11
Transmitter On
Signals that the device is ready to receive data (can be sent by
the printer or host).
XOFF 0x13
Printer receiver is off
Signals to the host that the print buffer is full or an error has
occurred. Signals to the printer that the host’s transmitter is off.