In home and building cabling, there are communication-specific services for telephone and Internet such as Internet telephony (VoIP) or Internet television (IPTV), broadcast services for radio and television, and monitoring and control services for the heating and alarm systems
. If the broadcast and communication services are networked via different transmission media - via TP cable, fibre optic
cableand coaxial cable - then the Multi Dwelling Unit
(MDU) ensures that the services can be tapped at several outlet sockets in a larger apartment or multi-family building.Single Family Unit (SFU) used in single family homes. It is a distribution box that forms the Optical Network Termination
(ONT), which is the termination of the optical network, and is located in the dwelling or apartment. It isan enclosure
that contains several separate units and connects them to the outlet boxes on the different floors and rooms of the building. The outlet boxes are equipped with different connectors for coaxial cables of the antenna system and data cables for the data network and the Internet MDU box the coaxial cables of the antenna system and STP cables of the data network are connected. The configuration of the Multi Dwelling Unit depends on the type and number of rooms to be networked.