Connectors and Headers

IB1000/2/3 boards carry two DB9M connectors onboard. Two additional connectors attach (via cables) to two 2x5 pin headers located on the boards.

A diagram illustrating the DB9M connectors of the IB1000/2/3.

DB9M 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

---

---

---


Connectors and Headers

DB9M Connectors

Pin Headers