Mitsubishi Electric City Multi systems to KNX Gateway. The newer version of this device is IN770AIR00SO000The ME-AC-KNX (INKNXMIT015C000) IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of Mitsubishi Electric City Multi systems from a KNX installation.The ME-AC-KNX (INKNXMIT015C000) gateway is directly connected to the outdoor units communication bus and enables the control of all the indoor units conn..