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Ethernet cable I am trying to wire an ethernet twisted pair cable used with an 8PC modular plug to the back of an RJ45 flush mounted wall jack. The cable has brown, blue, orange and green wires, each with a white wire twisted around it. The back of the RJ45 has 8 connecting terminals with blue, orange, black, red, green, yellow, brown and white wires.. If the 8 wires in the cable matched the colors on the back of the wall mount I would connect color to color. Where do the twisted white wires go? Thanks, Jack

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568-B Wiring
Pair Wires RJ-45 pins
1-White/Blue White/Blue 5
Blue/White 4
2-Wht./Orange White/Orange 1
Orange White 2
3-White/Green White/Green 3
Green/White 6
4-White/Brown White/Brown 7
Brown/White 8
568-A Wiring
1-White/Blue White/Blue 5
Blue/White 4
2-White/Green White/Green 1
Green/White 2
3-White/Orange White/Orange 3
Orange/White 6
4-White/Brown White/Brown 7
Brown/White 8
RJ-45 Pins are with the spring tab down and read left to right. Do you have an RJ-45 Crimping tool?
Just use 568-B or 568-A on both ends of the same cable.

Posted on Aug 26, 2009

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