If you are searching for an ethernet cable wiring diagram with a connector and proper color code then you came at the right place.
T568B Straight Cable:
T568B and T568A CrossOver Cable:
RJ45 Colour Code for 2 pairs:
Here is the step-by-step procedure to connect an RJ45 jack with the ethernet cable. 
- First strip the outer layer of the cable.
- Untwist and straighten the wires, then arrange them by color according to a wiring diagram.
- Cut the cable, leaving 1/2 inch exposed from the sheath.
- Insert the wires into the RJ45 jack with proper pin number and color codes, making sure they are fully inserted.
- Crimp the jack with a tool and check that all wires are properly connected.
- Repeat on the other end with another RJ45 jack. Once both jacks are connected, your wiring is complete.
I/O Port Punching Color Code:
