Broadband or multimedia communications apparatus, namely, cable broadcast transmission machines and apparatus and replacement parts thereof; apparatus and components for use in broadband communications, telecommunications and cable television systems; namely, receivers for receiving cable television; signal transmission, distribution and relaying apparatus, namely, data convertors, equalisers; signal distribution equipment, namely, transmitters, receivers, splitters, signal scramblers, modulators and demodulators; signal combiners, namely, electronic combiners for connecting antennas and receivers, digital signal splitters for electronic apparatus, peripheral component interface (PCI) hardware, amplifiers, signal conditioning devices and filters for industrial process control, apparatus for processing signals for digital television, namely, cable television converters, apparatus for supplying and relaying signals for digital television, namely, television receivers and transmitters; system protection and safety apparatus, namely, voltage surge protectors; components for telecommunications apparatus and installations, namely, electric resistors, electric capacitors; cable connection devices, namely, electric plug device enabling connection and disconnection of power and/or control cables; housings and enclosures, namely, isolator housings for integrated circuits; leads, namely, cable jump leads and patch leads for cable installations, coaxial cables, cable and electric connectors, terminators, namely, coaxial cable terminators and adaptors, filters for radio interference suppression; surge protecting galvanic isolators; ethernet interfaces, namely, adaptors, cables, controllers, repeaters, switches and transceivers; [ telephone modems; ] cable modems; connection devices, namely, connection cables; [ computers; ] computer peripherals; [ computer hardware and computer operating software; computer programs for transmitting, receiving and processing sound and video; ] computer programs for controlling cable broadcast transmission apparatus; components for data processing apparatus and installations, namely, isolators, splitters, filters; parts and fittings for all the aforementioned