IP Interface with IP Secure and Data Secure, 2SU MDRC, with email and time server functions. To enable bidirectional communication between PC and the KNX bus via TCP/IP. 4 simultaneous connections possible. Programming the KNX bus via TCP/IP. Power supply by KNX bus, no external bus power supply required. Encrypted transmission at sending emails. Time server functions to send time and date on the KNX bus. Supports extended group addresses. KNX IP Secure and KNX Data Secure (from ETS 5.7). Secure access to the KNX bus through IP Secure with security key. Firmware can be updated. Quick application download (long frame support for ETS5). 3 years warranty.