Figure 2.10Audio Connector - Advantech ARK-2250 User Manual

2.3.1.8 Audio Connector
ARK-2250 offers stereo audio ports by two phone jack connectors of Line_Out,
Mic_In. The audio chip is controlled by ALC888S, and it's compliant with Azalea stan-
dard.
Pin
1
2
2.3.1.9 COM Connector
ARK-2250 provides four D-sub 9-pin connectors, which offers RS232/422/485 serial
communication interface ports. Default setting is RS-232, if you want to use RS-422/
485, you can find the BIOS manual to change setting.
RS-232
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Note! NC represents "No Connection".
ARK-2250 User Manual
Figure 2.10 Audio Connector
Audio Signal Name
Line out
Mic in
RS-422
Signal Name
Tx-
Tx+
Rx+
Rx-
GND
NC
NC
NC
NC
14
RS-485
Signal Name
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC