35 Retail services in relation to computer hardware, software and peripherals; retail services in relation to telecommunications networks, network cabling, network hubs, network servers; retail services in relation to computer network switches, computer networks, network management apparatus, data transmission networks, optical apparatus and instruments; retail services in relation to transmitters, optical transmitters, optical transmitters for use with fibre optic cables, telecommunications transmitters, transmitting apparatus; retail services in relation to electronic and optical communications apparatus, transceivers, optical transceivers, multiport transceivers; retail services in relation to optical cables, communications cables, computer cables, communication and media converters; retail services in relation to multiplexers, telecommunications multiplexers, optical multiplexers, demultiplexers, fibre optic cables, fibre optic telecommunications apparatus, data communications apparatus, attenuators, uninterruptible power supply apparatus, signal splitters, network splitters, electronic connectors, connectors for telecommunication apparatus, cable adapters, computer network adapters, sockets, plugs and other contacts [electric connections]; advice, information and consultancy services relating to the aforementioned