Module Interfaces; Front-End Serial I/O Interface; Orientation And Pinouts Of The Cp-Rio-345-Opt Serial I/O Connector - PEP Modular Computers CP345 Manual

Quad high-speed serial controller board
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CP345

5.2.2 Module Interfaces

5.2.2.1

Front-End Serial I/O Interface

Figure 5-8: Orientation and Pinouts of the
CP-RIO-345-OPT Serial I/O Connector
The optoisolated rear I/O module CP-RIO-345-OPT is
equipped with a 50-pin row female connector comprising
the signals of serial I/O channels 0 to 3. The pinouts of
the D-Sub connector are shown in the following table.
Warning!
Where signals are not indicated in the
below table, please do not connect
external wiring to the connector pins.
Failure to comply may result in damage
to your board.
Table 5-4: Pinouts of 50-Pin Female High-Density D-Sub Connector (Sheet 1 of 3)
RS232
TxD
CTS
DCD
DSR
RTS
DTR
GND
RxD
ID 19979, Rev. 03
RS422/RS485
RS422/RS485
Half Duplex
Full Duplex
TRxD+
TRxD-
GND
© PEP Modular Computers GmbH
Rear I/O Modules
Pins
TxD+
1
TxD-
2
RxD+
3
RxD-
4
5
GND
6
1
26
25
50
Channel
26
27
28
0
29
30
31
Page 5 - 19

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