Printer Pinouts - Paxar 9430RX Programmer's Manual

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
3 Signal to printer from host
2 Signal to host from printer
6 Request to send from Host
4 Clear to send from Printer
1 and 5 Logic common
Following are the pin locations on the connector:
The following control characters are related to communications between the
printer and the host.
Char. Hex
AUXON 0x12
AUXOFF 0x15
XON 0x11
XOFF 0x13
Control Action
Signals to the host that the printer is online. It is sent after
initial power up, clearing a supply jam, or re-loading supply.
Signals to the host that the printer is out of supply or has
powered down.
Transmitter On
Signals that the device is ready to receive data (can be sent by
the printer or host).
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.
Input/Output
Input
Output
Input
Output
Configuring the Printer 2-9
Signal
RXD
TXD
RTS
CTS
COM