The KNX IP BAOS 777 serves as an interface to the KNX both at the telegram level (KNXnet/IP Tunneling) and at the data point level (KNX Application Layer) with up to 2000 communication objects (when using the generic product database). BAOS stands for 'Bus Access and ObjectServer'. The connection is made via a LAN interface (IP). Access to the ObjectServer via TCP/IP or UDP/IP takes place via the KNX BAOS Binary Protocol V2.1 Sales unit: 1 ST.