blue cable connection connector ethernet gigabit hardware isolated lan networking plug red transfer wire cat5 cat6 computer copper copyspace core grey grip net network tie back colored colors coloured colours communicating communication component connect connecting connections DSL gadget internet on-off-switch plug-in power sockets switch switching usb bandwidth binary broadband closeup computer network concept connectivity cord data digit digital electronics industry email encryption global communications high info interconnect jack line link macro number patch rj45 selective focus speed technology web wired 5 cabling cat chord close close-up communications cyan download free image information isolate isolation photo photograph picture resource somadjinn stock techno technological tele telecommunication telecommunications UP upload white wide World cables