Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus (other than sound reproduction systems, amplifiers, controllers for sound reproduction systems, radio, television, headphones) for recording , transmission or reproduction of sound or images; magnetic data carriers, recording discs; compact discs, DVDs and other digital recording media; data processing equipment, computers; computer software; optical fibres; fibre optics; fibre optic management products; cabling network (installations); cabling network (installations) incorporating fibre optic cables; passive and active components for broadband applications; optical fibre and copper cable protection systems; optical fibre and copper cable assemblies; optical fibre and copper cable termination systems; optical fibre and copper cable distribution cabinets; optical fibre and copper cable distribution frames; optical fibre and copper cable distribution panels; optical fibre and copper cable management components; microduct; cable connectors; optical wavelength splitters, coarse and dense division multiplexing, attenuators, circulators and fibre amplifiers