PCA-9372 User’s Manual 18
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-4851-2 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