How to Wire Keystone Jack - CableOrganizer Place all 8 wires into the center of the jack; from there, divert the wires into their correct slots, pressing them as far down into the termination slots as they will go. Excess wire length will be extending out of the sides of the jack. It's easiest to punch down wires if you do one side of the jack at a time.4.7/5(3) Confused about wiring for keystone and RJ-45 connector Apr 08, 2015Okay, as far as I am away I was using the B wiring for the keystone. The link to the picture I used isn't working but I was certain it was a B diagram. The punch-down is fine and very secure, the light pattern on my tester shows wire 2 and 3 need swapped.