HP 24SII User Manual
Page 45
If you will be using 4-wire Operation, please use the reference chart
below to determine the applicable sections based on your application.
4-WIRE OPERATION OPTIONS
Application
Printer Sharing Mode
Protocol
See Section:
Bidirectional
Unidirectional
EIA-232
EIA-422
1
X
X
5.5.2.1
2
X
X
5.5.2.2
3
X
X
5.5.2.3
4
X
X
5.5.2.4
&
NOTE: This configuration will support hardware or XON/XOFF
handshaking and bidirectional Printer Sharing Mode.
Ports on the M24SII-V07 I/O module using 8-wire Operation utilize the
following pins and signals for communication:
RJ-45 PIN-OUT INFORMATION
PIN
SIGNAL
232/422
DIRECTION
DESCRIPTION
1
DTR/HSO
Output
Handshake Out, enable/disable the receiving of
characters
2
GND/GND
----
Signal Ground
3
NC/TX+
Output
No connection/Transmit Data (+)
4
TX/TX-
Output
Transmit Data/Transmit Data (-)
5
RX/RX-
Input
Receive Data/Receive Data (+)
6
GND/RX+
----/Input
Signal Ground/Receive Data (+)
7
GND/GND
----
Signal Ground
8
CTS/HSI
Input
Handshake In, enable/disable the transmitting of
characters