Product Name: RJ45 eight-core crystal head (printed with brand LOGO) 
Product specifications: eight core 8P8C network cable crystal head.The color code and arrangement method of the twisted pair are strictly regulated by the international standards. It is now commonly used that the TIA/EIA568B should use the following sequence when striking the line (sorted from left to right horizontally, the crystal head has a button end) Ultra below): (TIA/EIA568B)

1-> White Orange2-  > Orange  3>> White Green  4-> Blue

5-> White Blue  6-> Green  7-> White Brown  8-> Brown