Samsung NASA VRV systems to KNX Gateway. The newer version of this device is IN770AIR00SO000The SM-ACN-KNX (INKNXSAM004O000) IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of Samsung NASA VRV systems from a KNX installation.The SM-ACN-KNX (INKNXSAM004O000) gateway is directly connected to the outdoor units communication bus and enables the control of all the indoor units connected to the system. This ..