Chapter 2 hardware installation, 1 jumper setting – Jetway Computer NF9J User Manual

Page 13

Advertising

background image

8

Chapter 2

Hardware Installation

2-1 Jumper Setting

(1) JP2 (4-pin): COM1 Connector Pin9 Function Select

JP2

4-6 Closed:

RI= 12V;

6

4

2

3-4 Closed:

RI= 5V;

2-4 Closed:

RI=RS232

3

1

5

1 3 5

2 4 6

1 3 5

2 4 6

(2) JP7 (4-pin): COM4 Header Pin9 Function Select

JP7

4-6 Closed:

RI= 12V;

6

4

2

3-4 Closed:

RI= 5V;

2-4 Closed:

RI=RS232

3

1

5

1 3 5

2 4 6

1 3 5

2 4 6

Advertising