13 ARK-1250L User Manual
Chapter 2 H/W Installation
2.4.4 USB 3.2 Connector
ARK-1250L supports 3 x USB 3.2 interfaces, which support plug-and-play functional-
ity and hot swapping for up to 127 x external devices. The USB interfaces comply
with USB UHCI, Rev. 3.0.
Figure 2.5 USB 3.2 Connector
2.4.5 USB 2.0 Connector
ARK-1250L provides three USB 2.0 interfaces connectors. The USB interface sup-
ports plug-and-play functionality.
Figure 2.6 USB 2.0 Connector
Table 2.7: USB 3.2 PIN Definition
Pin Signal Name
1 +5V
2 D-_0
3 D+_0
4 GND
5 USB0_SSRX-
6 USB0_SSRX+
7 GND
8 USB0_SSTX-
9 USB0_SSTX+
Table 2.8: USB 2.0 PIN Definition
Pin Signal Name
1 VCC
2 USB_data-
3 USB_data+
4 GND
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