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PEP Modular Computers CP345 Manual page 44

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CP345

Table 3-3: Pinouts of Frontend 50-Pin D-Sub Connector (Sheet 2 of 2)

RS232

TxD

CTS

—

DCD

DSR

—

RTS

DTR

GND

RxD

TxD

CTS

—

DCD

DSR

—

RTS

DTR

GND

RxD

—

Page 2 - 12

RS422/RS485

Half Duplex

Full Duplex

TRxD+

TxD+

TRxD-

TxD-

—

RxD+

—

RxD-

—

GND

—

TRxD+

TxD+

TRxD-

TxD-

—

RxD+

—

RxD-

—

GND

—

Functional Description

Pins

13

—

14

—

15

—

16

—

17

—

18

—

19

—

20

—

21

—

22

—

23

—

24

—

25

—

Channel

—

38

—

39

—

40

2

—

41

—

42

—

43

—

44

—

45

—

46

3

—

47

—

48

—

49

—

50

ID 19979, Rev. 03

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