Kontron ECX-BYT User Manual page 37

Signal Description
+USBVCC 5 V supply for external devices. SB5V is supplied during power down to allow wakeup on USB device
activity. Protected by active power switch 1 A fuse for each USB port.
USB_-/+ Universal Serial Bus Differentials: Bus Data / Address / Command Bus.
USB_A-/+
USB_B-/+
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ECX-BYT - User Guide, Rev. 1.0
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