Usb to Rj45 Cable Wiring Diagram | Free Wiring Diagram Assortment of usb to rj45 cable wiring diagram. A wiring diagram is a simplified conventional pictorial representation of an electric circuit. It shows the parts of the circuit as streamlined shapes, and the power and also signal connections in between the tools.Author: Ricardolevinsmorales Easy RJ45 Wiring (with RJ45 pinout diagram, steps and Make sure you make the correct RJ45 Pinout wiring diagram for your needs. All your Ethernet connectors (8P8C) have eight pin slots. Always face the clip away from you so you see just the flat side with the pins. You count (or label) the cables from left to right from 1 to 8 (easy!). There are two standards for wiring Ethernet cables,..