21 ARK-1123 User Manual
Chapter 2 Hardware Installation
2.5.5 USB Connectors
The ARK-1123L provides two USB interface connectors - 1 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 con-
nect or disconnect a device whenever you want, without turning off the computer.
Figure 2.25 USB Connector
9NC 10GND
11 NC 12 DDC Date
13 H-SYNC 14 V-SYNC
15 DDC Clock
Note! VGA do not support hot plug function due to Intel's constraint
Table 2.14: VGA Connector Pin Assignments
Table 2.15: 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
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