In this video we go over the basics of punching down an RJ45 jack. The instructions are basically the same for Cat6 and Cat5e. Everyone always wants to know: What is the color code? Fortunately, any jack you buy from cablesupply.com (or anyone really) will have both "A" and "B" color code printed right on the jack. It does not matter which color code you use, as long as they are the same on both sides.