Instruction manual

Chapter 2 Installation 25
COM2 RS-232/422/485 select (J10, J14)
The PCM-7890 COM2 serial port can be selected as RS-232,
RS-422, or RS-485 by setting J10 & J14.
COM2 Select (J10, J14)
RS-232* RS-422 RS-485
J10
J14
*default
Audio output select (J15)
You can select the output mode of onboard audio connector
(CN14) by setting J15.
"Speaker out" is the output signal amplified by onboard amplifier
Audio output select (J15)
Line out Speaker out *
J15
*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
2 1
4 3
6 5
2 1
4 3
6 5