RJ-45 Pin Connections for Your TCP/IP Network

By Doug Lowe

Part of Networking For Dummies Cheat Sheet

If you’re wiring up your own RJ-45 connectors for a TCP/IP network, you need this information to make sure you connect the pins correctly. Colors make identification easy:

  • Pin 1: White/orange

  • Pin 2: Orange

  • Pin 3: White/green

  • Pin 6: Green