Sony PCV-RX460 - Manual (Page 69)

System Board 55
USB Ports, USB Header, and Ethernet Port
There are three USB ports that permit connection of three USB peripheral
devices directly to the system without having to use an external hub.
USB1 is a standard USB port that is accessible from the rear panel.
USBHEAD is a 12-pin header that connects to two standard USB ports
(USB2 and USB3) that are accessible at the bottom of the front panel. An
internal cable connects USBHEAD to an interface board behind the front
panel. If more USB devices are needed, connect an external hub to any
USB port.
There is one Ethernet port is used to connect to a 100Base-TX/10Base-T
Ethernet network.
USBHEAD (connects to USB2 and USB3 on front panel)
Pin
Signal Name
1 NC
2 NC
3 NC
4 NC (Key)
5 USB VCC2
*
6 USB VCC3
*
7 USBP2-
8 USBP3-
9 USBP2+
10 USBP3+
USB1
USBHEAD
(connects to
USB2 and USB3
on front panel)
Ethernet