IP transceiver for one high quality audio channel, asynchronous serial data channel and 8 voltage free ON/OFF contacts channels. Designed for distributing IP Paging, intercom systems, access control, tunnels and similar facilities. Transmission of one channel of high quality audio (20 - 20,000 Hz), one configurable serial data channel (RS-232, RS-422 or RS-485) and 8 input / output voltage free contacts. Configuration and firmware updates via embedded web server or telnet commands. Simultaneous transmission of audio, data and contacts up to 5 different destinations. Communication protocols IP, TCP, UDP, DHCP, IGMP and RTP. Power supply 12 - 36 V DC. Comsumption less than 5 W. Dimensions 215 x 165 x 43 mm. Desktop, DIN rail (with optional bracket) or rack (1U) mount. OPTIMUS model ref. IX-100.