How to Make a Category 5 / Cat 5E Patch Cable The only difference between 568A and 568B wiring is that pairs 2 and 3 (orange and green) are swapped. If you are unsure which one to use then you should go with the 568B diagram. It is the 568B diagram that we demonstrate in this tutorial and the 568A wiring How To Wire RJ45 Cat 5 -5e - 6 ( Ethernet Cable Diagram Click to view on Bing4:00how to wire cable ethernet cat 5 5e ,6 wiring diagram rj45 plug jack wiring a network cable ethernet patch cable how to install a ethernet cable home rj45 so..Author: Wiring DiagramsViews: 20K CAT-5 Wiring Diagram | Crossover Cable Diagram CAT-5 Wiring Diagram & Crossover Cable Diagram. This CAT5 wiring diagram and crossover cable diagram will teach an installer how to correctly assemble a CAT-5 cable with RJ45 connectors for regular network cables as well as crossover cables. Please note that these instructions are the same for CAT-6 cable and and other type of 4 twisted pair Ethernet Cable Color Coding Diagram - The Internet Centre By looking at a T-568A UTP Ethernet straight-thru cable and an Ethernet crossover cable with a T-568B end, we see that the TX (transmitter) pins are connected to the corresponding RX (receiver) pins, plus to plus and minus to minus. You can also see that both the blue and brown wire pairs on pins 4, 5, 7, and 8 are not used in either standard.