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20 SBC-658 User Manual
COM2 RS-232/422/485 select (J2, J3)
The SBC-658 COM2 serial port can be selected as RS-232, RS-422,
or RS-485 by setting J2 & J3.
COM2 Select (J2, J3)
RS-232* RS-422 RS-485
J2
J3
*default
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 4 7 10
3 6 9 12
1 3 5
2 4 6
J2
1 4 7 10
3 6 9 12
J3