EIA/TIA-568 Standard Pin Assignments and Cable Types

Rollover Cable

All the wires are flipped on the other end.

Straight Through Cable

Both ends of the cable have the same pin to color assignments (Pin 1 on both ends are White orange for 568B) Used for Pc to Switch, Router to Switch, PC to hub, etc.

Cross Over Cable

One end is the normal standard, the other end is mixed around. For 568B the other end would be: White Green, Green, White Orange, White Brown, Brown, Orange, Blue, White Blue. - Used in most cases (older systems) as the cable for PC to PC, Router to Router, Switch to Switch, PC to Router.

TIA/EIA 568A standard

White Green, Green, White Orange, Blue, White Blue, Orange, White Brown, Brown

TIA/EIA 568B standard (More commonly used)

White Orange, Orange, White Green, Blue, White Blue, Green, White Brown, Brown