The porter switchboard in its desk version with alphanumeric digital keypad and 3.5' colour display, for viewing visitors and controlling entrances. Allows the code and name of the called and calling users to be displayed, keeping unanswered calls stored in the memory. Day/Night mode and user/user intercom service. Allows call addressing for up to 120000 users. It allows call transmission with indirect codes, management of alarm indications originating from users. Can be used as a main or secondary switchboard. Up to 4000 names can be stored. Equipped with USB port, special PC SW for downloading names and bushing for connection to the disconnectable system via RJ cable. Compatible with all SBTOP functions and products. 0-12-24Vac power supply with 1195. Dimensions: 193 x 223 x 65mm.