With Tripp Lites HDMI Over Cat5/Cat6 Wallplate Extender Kit, you can locate a HDMI enabled display up to 230 ft. away from the HDMI source, using readily available Cat5 or Cat6 UTP cable (for best performance, use Solid wire Cat6). The kit consists of a Passive wallplate at the source side, and an Active wallplate (with built-in signal regenerator) at the display side. Simply run two Cat5/6 UTP cables between the two wallplates, and plug in standard Tripp Lite HDMI patch cables to the HDMI source and the display. The Green LED on the Display wallplate lets you know that power and a signal are coming from a connected source. The Red LED indicates only a signal is being received. The kit is functioning properly when the unit is connected to a display and the Green LED is lit.