Jacks and IW If your reading this, You want to know about communications jacks and iw configurations there is more configurations than you think and more type of jacks than you know. lets do the Basics RJ11 phone jacks, some you can punch down with a punch down tool and some have screwdown attatchment. most have the color code right on them. when you look at old fashion type of jacks for phone you will notice that the primary colors are Red for ring and green for the tip side. Second line would be yellow for ring and black for tip. if there is a line 3 well that will be blue ring and white tip. Lets not confuse those colors for the new iw type that is usually a cat 5e. those iw colors start with Blue ring and white tip side. Then orange/white for line 2 and green/white will be line 3. Usually there will be a brown as most are cat5 and can be used with ethernet. Early copper to fiber optical network terminals only needed 2 pairs to bring you internet the blue was for ph...