User manual
17 ARK-1122 User Manual
Chapter 2 Hardware installation
2.5.5 USB Connectors
The ARK-1122C provides up to four USB interface connectors, which give complete
Plug & Play and hot swapping for up to 127 external devices. The USB interface is
compliant with USB UHCI, Rev. 2.0. The USB interface supports Plug and Play,
which enables you to connect or disconnect a device whenever you want, without
turning off the computer.
Figure 2.19 USB Connector
2.5.6 Audio Connector
ARK-1122C 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 2.20 Audio Connector
Table 2.10: USB Connector Pin Assignments
Pin Signal Name Pin Signal Name
1VCC 2USB_data-
3USB_data+ 4GND
Table 2.11: DIO Connector Pin Assignments
Pin Signal Name
1 Line-out
2 Line-in
2
1