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COM 1 RS232/422/485 Select
COM 1: RS232/422/485
2
1
9
JP4
JP5
JP3
JP3, JP4 and JP5 allow you to configure the Serial COM port 1 to RS232, RS422 (Full Duplex)
or RS485. The pin functions of Serial COM port 1 will vary according to these jumpers' setting.
Chapter 4 Jumper Settings
Chapter 4
2
1
9
RS232
1
2
3
4
5
6
1-2 On: RS232
(default)
1
2
3
4
5
6
1-3, 2-4 On:
RS232 (default)
Note:
When COM 1 RS232/422/485 is selected, JP4 and JP5 must be set in accordance to
JP3.
21
COM 1
2
2
1
9
1
9
RS422
RS485
Full Duplex
JP3
2
1
1
2
3
4
3
4
5
6
5
6
3-4 On: RS422
5-6 On: RS485
Full Duplex
JP4 and JP5
1
2
3
4
5
6
3-5, 4-6 On:
RS422 Full Duplex/RS485
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