5
Ports and Connectors
COM 3 to COM 10 RS232/RS422/RS485 Select
EC200/210/220/221-LRA060
COM 3
(JP1)
JP1 (for COM 3) to JP8 (for COM 10) 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
RS232
1 2 3 4 5
6
7
94
JP1
JP2
JP3
JP4
COM 4
COM 5
COM 6
(JP2)
(JP3)
(JP4)
JP1 / JP2 / JP3 / JP4 / JP5 / JP6 / JP7 / JP8
4
6
3
5
COM 3 / COM 4 / COM 5 / COM 8 / COM 9 / COM 10
8 9
JP5
JP6
COM 7
(JP5)
2
4
6
1
3
5
3-4 On: RS422
Full Duplex
1 2 3 4 5
RS422
Full Duplex
COM 6 / COM 7
1 2 3 4 5
6
7
8 9
JP7
JP8
COM 10
COM 9
COM 8
(JP8)
(JP6)
(JP7)
2
4
6
1
3
5
5-6 On: RS485
1 2 3 4 5
RS485
1 2 3 4 5
6
8 9
7