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20 PCM-6890B User Manual
COM2 RS-232/422/485 select (J10, J7)
The PCM-6890B 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
J10
J7
*default
1 3 5
2 4 6
1 3 5
2 4 6
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 3 5
2 4 6