Broadband or multimedia communications apparatus, including apparatus for supplying cable television; apparatus and components for use in broadband ommunications, telecommunications and cable television systems, including apparatus for supplying signals to television receivers; signal transmission, distribution and relaying apparatus; signal distribution equipment; signal combiners, splitters and interfaces, including digital signal splitters; amplifiers; signal conditioning devices and filters; apparatus for processing signals for digital television; apparatus for supplying and relaying signals for digital television; system protection and safety apparatus; components for telecommunications apparatus and installations; electrical switching apparatus and switches; cable connection devices; housings and enclosures, including isolator housings; leads, including patch leads, cables, connectors, terminators and adaptors; filters; galvanic isolators; ethernet interfaces; telephone modems; cable modems; connection devices, including computer connection devices; computers; computing apparatus and instruments; computer hardware and software, including computer programs; components for data processing apparatus and installations; parts and fittings for all the aforesaid goods