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2
Hardware Installation
COM1/COM2 RS232/RS422/RS485 Select
COM 2
COM 1
JP1 (for COM1) and JP6 (for COM2) are used to configure the COM ports to
RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM ports will vary according to the jumper's setting.
1
3
5
1-2 On: RS232
(default)
1 2 3 4 5
6 7 8 9
RS232
30
JP1
JP1/JP6
2
1
4
3
6
5
3-4 On: RS422
Full Duplex
COM 1 / COM 2
1 2 3 4 5
6 7 8 9
Full Duplex
JP6
Intel
Q67
Intel
Q67
1
2
4
6
RS422
2
1
4
3
5
6
5-6 On: RS485
1 2 3 4 5
6 7 8 9
RS485
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