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

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
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