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.

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