13 ARK-1123 User Manual
Chapter 2 Hardware Installation
2.3.4 USB Connectors
The ARK-1123H provides three USB interface connectors - 2 x USB 2.0 & 1 x USB
3.0, which give complete Plug & Play. The USB interface is compliant with USB
UHCI, Rev. 2.0 & 3.0. The USB interface supports Plug and Play, which enables you
to connect or disconnect a device whenever you want, without turning off the com-
puter.
Figure 2.10 USB Connector
2.3.5 Audio Connector
ARK-1123H offers stereo audio ports by two 3.5 ear phone jack connectors of
Line_out and Line_in. The audio chip controller is ALC-888S which is compliant with
the Azalea standard.
Figure 2.11 Audio Connector
Table 2.4: USB Connector Pin Assignments
Pin Signal Name Pin Signal Name
1+5V 2 D-
3D+ 4 GND
5 SSRX- 6 SSRX+
7 GND 8 SSTX-
9 SSTX+ 10 +5V
11 D- 12 D+
13 GND
Table 2.5: DIO Connector Pin Assignments
Pin Signal Name
1 Line-out
2 Line-in
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