COM2 RS-232/422/485 select (J10, J7)
The PCM-6890 COM2 serial port can be selected as RS-232, RS-422,
or RS-485 by setting J10 & J7.
COM2 Select (J10, J7)
RS-232*
RS-422
RS-485
1 4 7 10
1 4 7 10
1 4 7 10
J10
3 6 9 12
3 6 9 12
3 6 9 12
1 3 5
1 3 5
1 3 5
J7
2 4 6
2 4 6
2 4 6
*default
Chapter 2 Installation 21