User manual

PCM-9375 User Manual 16
2.12 Audio interfaces (CN22)
2.12.1 Audio connector (CN22)
The board provides all major audio signals on a 10-pin cable connector,
These audio signals include Microphone in (mono), Line in (stereo) and
Line out (stereo).
2.13 COM port connector (CN16,CN19)
The board provides four serial RS-232 ports (CN19: COM1) in one DB-9
connector and one Hirose 40 pin connector (CN16: COM2/3/4) with
auto-flow control. It provides connections for serial devices (a mouse,
etc.) or a communication network. You can find the pin assignments for
the COM port connector in Appendix C.
2.13.1 Serial Port RS-422/485 (CN18, J3)
Serial port can be configured to operate in RS-422 and RS-485 mode.
This is done via using connector CN18 and setting jumper J3.
Table 2.8: Serial Port RS-422/485 (J3)
Setting Function
1-2 RS-232
3-4 RS-485
5-6 RS-422
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