TELLIN

Computer memories; computer peripheral devices; integrated circuit cards; telecommunications transmitters; modems; aerials; optical communication equipment, namely, optical transmitters and receivers, communication link testers for testing communication links, cables for optical signal transmission; equipment for communication network, namely, computer network hubs, switches and routers; intercommunication apparatus, namely, apparatus for transmission of communication; stored program control exchange equipment, namely, computer hardware for use in sharing software among numerous users