Electrical apparatus, namely, [ computer hardware, cable television receivers, computers, ] computer switches, routers, [ hubs, and computer network cards, ] for the provision of control of broadband networks, network installations and telecommunications; [ data processing apparatus, instruments and equipment; ] computer hardware and software for the provision and control of broadband networks, [ network installations, ] and telecommunications apparatus; [ and instruments; ] computer hardware and software for interconnecting, managing, securing and operating local and wide area networks; network switches and routers; [ cable television receivers; hardware and software for use in cable television systems; ] downloadable instructional materials, * electronic * manuals, guides [ and test materials, ] in the fields of network communications, and managing, operating and using local, wide and global networks, [ and cable television systems; ] interfaces for interconnecting computers; computer hardware containing network security functionality, including firewalls, data encryption, and/or interoperability with network security protocols; [ network cards; cables and computer network adapters; fibre optic cable, feeder cable in the nature of computer cable, coaxial cable; optical fibres; leads, access leads; ] structural parts and fittings for all the aforesaid goods