[Ja\/\/aD]

here i ll explain what to do :

Use motorola V3 cable or mini USB cable, cut it.

you will see 4 wires (Red, black, White, Green).

take a RJ45 cable of a any universal box cut it.

from RJ45 use (White, Orange, Green, Red), now connect like this :

RJ45 (Orange+Green) to USB (Black)
RJ45 (White) to USB (White)
RJ45 (Red) to USB (Green)




Speacail Thanks GM-OTUF for make and test this pinouts