Easy RJ45 Wiring (with RJ45 pinout diagram, steps and RJ45 pinout diagram for standard T568B, T568A and crossover cable are shown here! To remember the RJ45 wiring order we created tools that make it easy to memorize. We give more; the complete Ethernet pinout cable wiring reference with wiring step-by-step guide. RJ45 Wiring Diagram Ethernet Cable | House Electrical For a crossover cable (rj45 wiring diagram ), one end is EIA/TIA 568B and the other end is EIA/TIA 568A. Keep the end of the wires flat and trim their ends leaving about 12.5 mm in length. Insert the wires into the RJ-45 plug while holding the connector or clip down. Cat 6 Wiring Diagram Rj45 | Free Wiring Diagram Collection of cat 6 wiring diagram rj45. A wiring diagram is a streamlined standard photographic depiction of an electric circuit. It reveals the components of the circuit as simplified shapes, and the power as well as signal connections in between the devices.