T1 / DS1 Smart Jack RJ-48C Wiring Explained End to End Smart jacks come in many different shapes, sizes and styles; they can be wall mount single units or banks like the one depicted in the diagram above. If you were to order a single DS1/T1 circuit you would most likely have a 4 wire shield cable coming in from the local CO or nearest MUX into a wall mounted unit. 21 Responses to “T1 / DS1 How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) (USOC Wiring Diagram) Telephone wiring for a phone outlet is typically either 1, 2 or 3 pairs (2, 4, or 6 conductor). Most cable nowadays is UTP (unshielded twisted pair). There may be instances where you may need to connect to or transpose from the old "quad" cable. How to Wire a Cat6 RJ45 Ethernet Jack - HandymanHowto This project shows how to fish cable and wire a Cat6 RJ45 Ethernet jack for a home network. I’ve been upgrading my network and decided to switch from Cat5e to Cat6 cable for all new installs. Cat5e supports a maximum of 1 Gigabit/sec whereas Cat6 supports 10 Gigabits/sec speed and is future-proof for multi-Gigabit Internet speeds, growing LAN bandwidth demand and better resistance to Wire Color Code Configuration for Phone - YouTube Oct 13, 2012Ron discusses wiring for phone circuits and USOC wiring. He covers the pair colors and their positions in the jack and how to convert old wire colors to the new Cat 5e colors. #RonKipperDatacomm. wire-your-phones - Doing your own telephone wiring Second, you can buy modular jacks either with or without the wiring block (this is the heavy plastic piece which you mount to the wall, with screws to attach the wires to; see the picture higher up on the page). If you're installing a totally new jack, then you need the wiring block.