The pinout is always the same for Ethernet cables. It doesn’t matter if you are making up some Cat5e, Cat6, and Cat7 cables. The following are the pinouts for the RJ45 connectors so you can check which one you have or make up your own. Most modern communications equipment can auto-sense which type you are using, but some still need the correct cable pinout. Ethernet LAN cables can come in two different types – Crossover or Straight through.
