9 Scientific apparatus and instruments, namely, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current in the nature of programmable network switches; scientific apparatus and instruments, namely, surveying apparatus and instruments, optical apparatus and instruments, namely, cameras, video cameras, measuring apparatus and instruments, namely, distance measuring apparatus, lasers for measuring purposes, signalling apparatus and instruments, namely, signal processors and generators, and control apparatus and instruments, namely, electric control panels, weighing apparatus and instruments; apparatus and instruments for conducting, switching, transforming, storing, regulating and controlling electricity, namely, voltage regulators, electric switches; apparatus for recording, transmitting and reproducing sound and images; magnetic data carriers, namely, blank magnetic data carriers; recording discs, namely, blank video discs, prerecorded audio discs featuring software for programming and installing network devices; CDs, namely blank CDs, prerecorded CDs featuring software for programming and installing network devices; DVDs, namely blank DVDs, prerecorded DVDs featuring software for programming and installing network devices; digital recording media, namely blank DVDs, prerecorded DVDs featuring software for programming and installing network devices; cash registers; calculating machines; data processing hardware; computers; downloadable computer software for programming and installing network devices for use in telecommunications, broadcasting and security industries; hardware for computer networks; network components, namely, computer network hubs and computer network adapters; data storage systems in the nature of external computer hard drives; server hardware, namely, communications services and network access server hardware