Broadband or multi-media 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, apparatus for the supply of signals for television receivers and antennae; signal transmission, distribution and relaying apparatus, namely, data converters, equalizers; signal distribution equipment, namely, transmitters, receivers, splitters, signal scramblers, modulators and demodulators; signal combiners, namely, electronic combiners for connecting antennae and demodulators; signal combiners, namely, electronic combiners for connecting antennae and receivers, digital signal splitters for electronic apparatus, peripheral component interface 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; closed-circuit television security apparatus, namely, video cameras, closed-circuit television cameras, television monitors; apparatus for use in security control, namely, alarm detection systems, access control systems, digital video recorders; security monitoring and warning apparatus, namely, 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, co-axial cables, cable and electric connectors, terminators and co-axial cable adapters; filters; galvanic isolators; Ethernet interfaces; telephone modems; cable modems; connection devices, namely, connection cables; computers; computer peripherals; computer hardware; components for data processing apparatus and installations, namely, isolators, splitters, filters; parts and fittings for the aforementioned