Frontend Connector (Optoisolated Board Variant) - PEP Modular Computers CP345 Manual

Quad high-speed serial controller board
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CP345
2.4.1.3

Frontend Connector (Optoisolated Board Variant)

The transition module of the optoisolated variant of the CP345 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 3-3: Pinouts of Frontend 50-Pin D-Sub Connector (Sheet 1 of 2)
RS232
TxD
CTS
DCD
DSR
RTS
DTR
GND
RxD
TxD
CTS
DCD
DSR
RTS
DTR
GND
RxD
ID 19979, Rev. 03
RS422/RS485
RS422/RS485
Half Duplex
Full Duplex
TRxD+
TxD+
TRxD-
TxD-
RxD+
RxD-
GND
GND
TRxD+
TxD+
TRxD-
TxD-
RxD+
RxD-
GND
GND
© PEP Modular Computers GmbH
Functional Description
Pins
1
2
3
4
5
6
7
8
9
10
11
12
Channel
26
27
28
0
29
30
31
32
33
34
1
35
36
37
Page 2 - 11

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