Appendix a.7.3, For adapter pinouts and recommended cabling – HP 24SII User Manual

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PRINTER PORTS

NOTE: Printer ports using this configuration will support hardware
handshaking only. You must ensure hardware handshaking is
supported by the equipment that will connect to these ports.

Printer ports on the M24SII-V07 module using EIA-232 Protocol, 4-
wire Operation, and unidirectional Printer Sharing Mode utilize the
following pins and signals for communication:

RJ-11 PIN-OUT INFORMATION

SIGNAL
EIA-232

DIRECTION

DESCRIPTION

----

No connection

Output

Transmit Data

CTS

Input

Handshake In,
enable/disable the
transmission of characters

GND

----

Signal Ground

If you are connecting a device to a printer port on the M24SII-V07
module using EIA-232 Protocol, 4-wire Operation, and unidirectional
Printer Sharing Mode, please see

Appendix A.7.3

for adapter pinouts

and recommended cabling.