In general, the patch cables that you use with your Ethernet  connections are “straight through“, which means that pin 1 of the plug on one end is connected to pin 1 of the plug on the other end.

For patch cables, 568-B wiring is by far, the most common wiring method. Virtually all pre-assembled patch cables are wired to the B standard. There is no difference in connectivity between 568-B and 568-A cables. Therefore, a 568-B patch cable should work fine on a 568-A cabling system, and visa-versa.

568-B Wiring

Pair # Wire Pin #
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-B Diagram
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