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5
Ports and Connectors
COM 3 to COM 6 RS232/RS422/RS485 Select
EC200/210/220/221-LR6G60
JP1 (for COM 3), JP2 (for COM 4), JP5 (for COM 5) and JP8 (for COM 6) are used
to confi gure 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.
2
1
1-2 On: RS232
(default)
1 2 3 4 5
6
98
JP1
JP2
COM 4
COM 3
(JP2)
(JP1)
4
6
3
5
COM 3 / COM 4 / COM 5 / COM 6
8 9
7
JP5
COM 5
(JP5)
JP1 / JP2 / JP5 / JP8
2
4
6
1
3
5
3-4 On: RS422
Full Duplex
1 2 3 4 5
6
8 9
7
JP8
COM 6
(JP8)
2
4
6
1
3
5
5-6 On: RS485
1 2 3 4 5
6
8 9
7
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