Moxa Technologies CP-118U Device Side Pin Assignments, Wire RS-485, Male DB9 Opt8-D/Opt8-M9

Port Number

Signal

0

1

2

3

4

5

6

7

Data+(B)

1

25

6

30

33

14

38

41

Data-(A)

2

26

7

31

34

15

39

42

GND

32, 40, 45, 50, 55, 58

Pin Number

6

9

Pin

RS-232

RS-422 /

2-wire RS-485

4-wire RS-485

1

DCD

TxD-(A)

---

2

RxD

TxD+(B)

---

3

TxD

RxD+(B)

Data+(B)

4

DTR

RxD-(A)

Data-(A)

5

GND

GND

GND

6

DSR

---

---

7

RTS

---

---

8

CTS

---

---

9

---

---

---