Ethernet RJ45 Pinout 568A & 568B Wiring

Drag and drop the colored wires to create either a T-568A or T-568B RJ45 pinout or wire ending.

T-568B is the most common type of Ethernet cable wiring, and it is used on both ends of straight-through RJ45 Ethernet cables. On an Ethernet network crossover cable, one end is T-568B, and the other is T-568A. The difference between RJ45 A wiring and B wiring is that pins 1 and 2 are switched with 3 and 6.

If you need help before starting, you can see this RJ45 wiring diagram.

You can also use our interactive pages to check how to remember the OSI model and the IP header format.
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