Apparatus for data communications between computers; Apparatus for linking computers; Apparatus for linking computers into networks; Apparatus for protecting computers from electrical power supply faults; Apparatus for use in communications between computers; Cabinets adapted to hold computers; Communications electronics for computers; Computer controlled telecommunications exchange apparatus; Computer programs for use in communications; Computer programs for use in telecommunications; Computers; Computers and electronic processing units); Data storage apparatus for computers; Fibre optics communications installations for use with computers; Housings for computers; Racks and mountings specifically adapted for use with audio, visual, computer and telecommunications equipment; Telecommunications apparatus for transmitting data for use with computers; High capacity broadband telecommunications switching apparatus; Memory apparatus for telecommunications network design; Memory apparatus for telecommunications network management; Optical fibre telecommunications apparatus; Telecommunications apparatus for transmission purposes; Telecommunications apparatus for use with digital signals; Telecommunications devices; Telecommunications installations; Telecommunications machines; Telecommunications network management installations; Telecommunications switching systems

Apparatus for data communications between computers; Apparatus for linking computers; Apparatus for linking computers into networks; Apparatus for protecting computers from electrical power supply faults; Apparatus for use in communications between computers; Cabinets adapted to hold computers; Communications electronics for computers; Computers and electronic processing units); Data storage apparatus for computers; Fibre optics communications installations for use with computers; Housings for computers; Telecommunications apparatus for transmitting data for use with computers; Apparatus for telecommunications engineering; Computer controlled telecommunications exchange apparatus; Computer programs for use in telecommunications; Electric apparatus relating to telecommunications; Fibre optic telecommunications apparatus; High capacity broadband telecommunications switching apparatus; Memory apparatus for telecommunications network design; Memory apparatus for telecommunications network management; Optical fibre telecommunications apparatus; Racks and mountings specifically adapted for use with audio, visual, computer and telecommunications equipment; Telecommunications apparatus for transmission purposes; Telecommunications apparatus for use with digital signals; Telecommunications devices; Telecommunications installations; Telecommunications machines; Telecommunications network management installations; Telecommunications switching systems