What is the MDIO pin out for the 10-pin connector on the front of the USB-MPC?

The MDIO connector has the following pin out:
Pin Name Function
1 N/C No connection
2 N/C No connection
3 GND Reference ground from target
4 VMDIO Reference power from target
5 GND Reference ground from target
6 MDC MDIO Clock output
7 GND Reference ground from target
8 MDIO MDIO Data input/output
9 GND Reference ground from target
10 VMDIO Reference power from target