Advantech PCM-9372 Audio interfaces CN14, COM port connector CN8, CN16, Audio connector CN14

2.16 Audio interfaces (CN14)

The PCM-9372 is equipped with a high-quality audio interface, which provides 16-bit CD-quality recording and playback as well as OPL3 com- patible FM music. It is supported by all major operating systems.

2.16.1 Audio connector (CN14)

The PCM-9372 provides all major audio signals on a 10-pin flat-cable connector, CN14. These audio signals include Microphone in (mono), Line in (stereo) and Line out (stereo). If you use traditional telephone jack connectors for these audio signals, you will need an adapter cable.

2.17 COM port connector (CN8, CN16)

The PCM-9372 provides four serial ports (COM1, 3, 4: RS-232; COM2: RS-232/422/485) in one COM port connector. The COM port connector is a 40-pin, dual-inline, male header. 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.

2.17.1 COM2 RS-232/422/485 setting (JP1)

COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode. This is done via JP1

JP1: COM2 RS-232/422/485 select

PINS	RS-232*	RS-422	RS-485
1-2	Open	Open	Closed
3-4	Open	Closed	Open
5-6	Closed	Open	Open
7-9	Closed	Open	Open
8-10	Closed	Open	Open
9-11	Open	Closed	Closed
10-12	Open	Closed	Closed
13-15	Closed	Open	Open
14-16	Closed	Open	Open
15-17	Open	Closed	Closed
16-18	Open	Closed	Closed

PCA-9372 User’s Manual 18