DMXcompander makes it possible to run three DMX512 Universes in one CAT-5 cable. A CAT-5 cable has four data-pairs, one pair is used as the 0V reference and the other three pairs are used for DMX512 Data+ and Data-. Through the three RJ45 connectors on the DMXcompander, three DMX512 Universes are “COMpressed” into one CAT-5 cable through