Making network cable

Just follow this guide

Here is a summary of the guide:

Choose one of the standard for straight thru cable, for cross over use different standard at both end

Take a look at this diagram:

if you use a network cable tester to test, for the straight thru cable you will see both end displays the same number. for the crossover cable, while one end displays in this order 1,2,3,4,5,6,7,8 and the other end displays in this order 3,6,1,4,5,2,7,8.