Connectors and Headers

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IB1000/2/3 boards carry two DB9-M connectors onboard. Two additional connectors attach (via cables) to two 2x5 pin headers located on the boards.

 

ib1000

 

DB-9M connectors

Pin #

RS232 mode

RS422 mode

(IB1002/3 only)

RS485 mode

(IB1002/3 only)

1

---

RTS- (output)

---

2

RX (input)

RX- (input)

RX- (input)

3

TX (output)

TX+ (output)

TX+ (output)

4

DTR (output)

TX- (output)

TX- (output)

5

SYSTEM GROUND

SYSTEM GROUND

SYSTEM GROUND

6

DSR (input)

RX+ (input)

RX+ (input)

7

RTS (output)

RTS+ (output)

---

8

CTS (input)

CTS+ (input)

---

9

---

CTS- (input)

---

 

Pin headers

Pin #

RS232 mode

RS422 mode

(IB1002/3 only)

RS485 mode

(IB1002/3 only)

1

---

RTS- (output)

---

2

RX (input)

RX- (input)

RX- (input)

3

TX (output)

TX+ (output)

TX+ (output)

4

DTR (output)

TX- (output)

TX- (output)

5

SYSTEM GROUND

SYSTEM GROUND

SYSTEM GROUND

6

DSR (input)

RX+ (input)

RX+ (input)

7

RTS (output)

RTS+ (output)

---

8

CTS (input)

CTS+ (input)

---

9

---

CTS- (input)

---

10

---

---

---