Advantech ARK-2121, User Manual

Page: 22 / 56

ARK-2121 User Manual 12
2.3.1.3 Audio Connector
ARK-2121L offers stereo audio ports by three phone jack connectors of Line_Out,
Line_In, Mic_In. The audio chip is controlled by ALC888S, and it’s compliant with
Azalea standard.
Figure 2.5 Audio connector
2.3.1.4 USB Connector
ARK-2121L provides four USB interface connectors. The USB connectors are used
to connect any device that conforms to the USB interface. Most digital devices con-
form to this standard. The USB interface supports Plug and Play.
Figure 2.6 USB connector
2.3.1.5 VGA Connector
The ARK-2121L provides a high resolution VGA interface connected by a D-sub 15-
pin connector to support a VGA CRT monitor. It supports display resolutions of up to
2048 x 1152.
Figure 2.7 VGA Connector
Table 2.4: Audio Connector Pin Assignments
Pin Audio Signal Name
1 Mic_In
2 Line_In
3 Line_Out
Table 2.5: USB Connector
Pin Signal name Pin Signal name
1 VCC 2 USB_data-
3 U 4 GND
Table 2.6: VGA Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 Red 2 Green