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11 ARK-3400 User Manual
Chapter 2
H
ardware
installation
2.2.7 USB Connector
ARK-3400 provides six connectors of USB interface, which give complete Plug &
Play and hot swapping for up to 127 external devices. The USB interface complies
with USB UHCI, Rev. 2.0 compliant. The USB interface can be disabled in the system
BIOS setup. Please refer to Table. 2.2 for its pin assignments
The USB connectors are used for connecting any device that conforms to the USB
interface. Many recent digital devices conform to this standard. The USB interface
supports Plug and Play, which enables you to connect or disconnect a device when-
ever you want, without turning off the computer.
Figure 2.9 USB connector
2.2.8 Compact Flash Card
ARK-3400 is equipped with an external CF card. You can find the installation in
Chapter 2.5.
2.3 ARK-3400 rear side external I/O connectors
2.3.1 Power Input Connector
ARK-3400 comes with a four pins header that c14 ~ 24 VDC external power
input.
Figure 2.10 Power Input Connector
Table 2.2: USB Connector
Pin Signal name Pin Signal name
1 VCC 2 USB_data-
3 U 4 GND
Table 2.3: Power connector pin assignments
Pin Signal Name
1 GND
2 +14 ~ 24 VDC
3 +14 ~ 24 VDC
4 GND