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2-1 Jumper Settings
JCOM1 (4-pin): COM1 Port Pin9 Function Select
JCOM2 (4-pin): COM2 Port Pin9 Function Select
JCOM3 (4-pin): COM3 Header Pin9 Function Select
COM3
JCOM3
JCOM4 (4-pin): COM4 Header Pin9 Function Select
JCOM4
COM4
Chapter 2
Hardware Installation
JCOM1
JCOM1
JCOM2
JCOM2
COM1 Port Pin-9
→
6
5
6
4
4
3
2
2
1
2-4 Closed:
3-4 Closed:
RI=RS232;
RI= 5V;
COM2 Port Pin-9
→
6
5
6
4
4
3
2
2
1
2-4 Closed:
3-4 Closed:
RI=RS232;
RI= 5V;
JCOM3
COM3 Header Pin-9
→
5
5
3
1
6
6
4
2
3-4 Closed:
2-4 Closed:
RI= 5V;
RI=RS232;
JCOM4
COM4 Header Pin-9
→
5
5
3
1
6
6
4
2
3-4 Closed:
2-4 Closed:
RI= 5V;
RI=RS232;
6
6
5
5
4
3
3
2
1
1
4-6 Closed:
RI= 12V;
6
5
5
4
3
3
2
1
1
4-6 Closed:
RI= 12V;
1
3
5
3
1
6
4
2
4 2
4-6 Closed:
RI= 12V.
3
1
5
3
1
6
4
2
4 2
4-6 Closed:
RI= 12V.
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