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2.4.5
USB Connectors
The ARK-1503 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.
Table 2.8: USB Connector Pin Assignments
Pin
Signal Name
1
VCC
3
USB_data+
2.4.6
Audio Connector (ARK-1503F only)
ARK-1503 offers stereo audio ports by a phone jack connector for Line_Out. The
audio chip controller is by ALC892 which is compliant with the Azalea standard.
2.4.7
COM Connector
ARK-1503 provides a maximum of up to two D-sub 9-pin connectors, which offers
RS-232/422/485 serial communication interface ports. Default setting is RS-232, if
you want to use RS-422/485, you can find the jumper installation in Chapter 2.2.2.
The RS-422/485 mode of ARK-1503F COM2 can be supported via replacing the
internal COM 2 cable by using the new cable (Part Number 1700001967), and
adjusting the jumper inside the system. The extra cable (pn.1700001967) has been
stored in the accessory box of the product carton.
ARK-1503P can only support 1 x RS-232.
Figure 2.7 USB Connector
Pin
2
4
MIC Line-out
Figure 2.8 Line-out Connector
Figure 2.9 COM Port Connector
13
Signal Name
USB_data-
GND
ARK-1503 User Manual
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