CAT5 RJ-45 Cable Pin-Outs

Copied from http://www.tc.cc.tx.us/rj45_wiring_scheme.html and put here just in case their website removes it.

Eight Position (RJ-45) Modular Cable

T568B (with clip down)	T568A (with clip down)

UTP consists of 4 twisted pairs. The standard colors are: white/blue - blue white/orange - orange white/green - green white/brown - brown

Hub to Hub or Computer to Computer connection: one end T568A, other end T568B (Crossover Cable).

Hub to Computer connection: T568B on each end.

CAT5 RJ-45 Cable Pin-Outs

Copied from http://www.tc.cc.tx.us/rj45_wiring_scheme.html and put here just in case their website removes it.

Eight Position (RJ-45) Modular Cable

T568B (with clip down)	T568A (with clip down)

UTP consists of 4 twisted pairs. The standard colors are: white/blue - blue white/orange - orange white/green - green white/brown - brown

Hub to Hub or Computer to Computer connection: one end T568A, other end T568B (Crossover Cable).

Hub to Computer connection: T568B on each end.