Knowing the RJ-45 Pin Connections

Part of the Networking All-In-One For Dummies Cheat Sheet

If you're wiring up your own RJ-45 connectors for a TCP/IP network, you need this information about the connections to make sure you connect the pins correctly:

  • Pin 1: White/orange

  • Pin 2: Orange

  • Pin 3: White/green

  • Pin 6: Green

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