Includes LocoNet Universal Panel Two RJ12 Jacks, Rear Panel Two RJ12 Jacks, local track power connection. Digitrax Universal Panels simplify hook-up, maintaining and troubleshooting your LocoNet network. Using six conductor telephone cables with RJ12 six-pin male connectors on each end, it's easy to daisy chain your network around the layout without hooking up a lot of wires. The UP3 has two RJ12 six-pin jacks in both the front and back. An indicator LED monitors the power state of a local track section. In addition, the UP3 has a 2mm power jack that allows you to make it a battery save terminal your throttles by plugging in a DC power supply. The UP3 gives your layout a professional look, and provides a simple, cost-effective way to add throttle jacks and expand LocoNet wiring. You can use your UP3 with other Digitrax Universal Interconnect products such as the Up1 and UP2, and also with telephone company RJ12 six-pin-type jacks.