CP345
Table 5-4: Pinouts of 50-Pin Female High-Density D-Sub Connector (Sheet 2 of 3)
RS232
TxD
CTS
—
—
DCD
DSR
—
—
RTS
DTR
GND
RxD
TxD
CTS
—
—
DCD
DSR
—
—
RTS
DTR
GND
RxD
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RS422/RS485
RS422/RS485
Half Duplex
Full Duplex
TRxD+
TRxD-
—
—
—
—
—
—
—
—
GND
—
TRxD+
TRxD-
—
—
—
—
—
—
—
—
GND
—
© PEP Modular Computers GmbH
Rear I/O Modules
Pins
TxD+
7
TxD-
—
—
8
—
—
RxD+
9
RxD-
—
—
10
—
—
—
11
—
—
GND
12
—
—
TxD+
13
TxD-
—
—
14
—
—
RxD+
15
RxD-
—
—
16
—
—
—
17
—
—
GND
18
—
—
Channel
—
32
—
33
—
34
1
—
35
—
36
—
37
—
38
—
39
—
40
2
—
41
—
42
—
43
ID 19979, Rev. 03
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