Specifications
Chapter 2 Installation 23
COM2 RS-232/422/485 select (J4, J5)
The SBC-656 COM2 serial port can be selected as RS-232, RS-422,
or RS-485 by setting J4 & J5.
COM2 Select (J4, J5)
RS-232* RS-422 RS-485
J4
J5
*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 3 5
2 4 6
J4
1 4 7 10
3 6 9 12
J5
1 4 7 10
3 6 9 12