User manual

21 ARK-1122 User Manual
Chapter 2 Hardware installation
2.6.6 Audio Connector
ARK-1122F offers stereo audio ports by two 3.5 ear phone jack connectors of
Line_out and Line_in. The audio chip controller is ALC892 which is compliant with
the Azalea standard.
Figure 2.27 Audio Connector
2.6.7 COM Connector
ARK-1122F provides one D-sub 9-pin connectors, which offers RS-232 serial com-
munication interface.
Figure 2.28 COM Port Connector
Table 2.16: DIO Connector Pin Assignments
Pin Signal Name
1 Line-out
2 Line-in
2
1
Table 2.17: COM Connector Pin Assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1 DCD Tx- DATA-
2 RxD Tx+ DATA+
3 TxD Rx+ NC
4 DTR Rx- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
Note! NC means “No Connection”.