CAT5 Wiring Schemes
The only difference is that the pin positions for the green and orange pairs have been switched. T568A has been largely superseded by the more up-to-date T568B. T568B and has become – overall – the most widely chosen wiring schematic because it accommodates for current and future needs. In addition, T568B offers backward compatibility.
Follow the instructions at wikihow on How To Make A Cat 5 Cable