Chapter 2 hardware installation, 1 jumper setting – Jetway Computer NC9S User Manual

Page 13

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Chapter 2

Hardware Installation

2-1 Jumper Setting

(1) JP4 (4-pin): COM1 Port Pin9 Function Select

JP4→COM1 Port

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): COM2 Port Pin9 Function Select

JP7→COM2 Port

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

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