RJ-45 Ethernet Cable Wiring Diagram
Here's a reference chart for wiring Category 5 (Cat 5) ethernet cables for 10/100 BaseT. When buying raw cable, note that for Gigabit Ethernet, you may need Cat5(e). For further detail on Cat5, Cat5e and Cat6, see this wikipedia article.
For parts and tools, try these links... Get deals on prewired ethernet cable or bulk ethernet cable (search for "bulk"). Search for Cat 5 cable, Cat5(e) cable or RJ-45 connectors (8 pin). Don't forget the 8-pin RJ-45 crimping tool. (Technically, the connectors are 8P8C modular, often incorrectly referred to as "RJ-45".) For more, try the Networking Department of Amazon.com.
Straight Through Cable Wiring
(TIA/EIA-568-B T568B)
| RJ-45 Pin # |
Color (both sides same) |
| Pin 1 |
White with Orange |
| Pin 2 |
Orange |
| Pin 3 |
White with Green |
| Pin 4 |
Blue |
| Pin 5 |
White with Blue |
| Pin 6 |
Green |
| Pin 7 |
White with Brown |
| Pin 8 |
Brown |
|
Cross-over Cable Wiring
| RJ-45 Pin # |
1 end Color |
2 end Color (T568A) |
| Pin 1 |
White with Orange |
White with Green |
| Pin 2 |
Orange |
Green |
| Pin 3 |
White with Green |
White with Orange |
| Pin 4 |
Blue |
Blue |
| Pin 5 |
White with Blue |
White with Blue |
| Pin 6 |
Green |
Orange |
| Pin 7 |
White with Brown |
White with Brown |
| Pin 8 |
Brown |
Brown |
|
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