9 OPTICAL, ELECTROTECHNICAL AND ELECTRONIC APPARATUS AND DEVICES,NAMELY, COMMUNICATIONS COMPUTERS, COMPUTER SOFTWARE FOR USE IN THE MANAGEMENT AND INTEGRATION O TELECOMMUNICATION, DATA AND INFORMATION TECHNOLOGY NETWORKS; OPTICAL ELECTROTECHNICAL AND ELECTRONIC INFORMATION AND COMMUNICATION EQUIPMENT, IN PARTICULAR PERTINENT TO TELECOMMUNICATION EXCHANGE AND TRANSMISSION, NAMELY, TELEPHONES, VIDEOPHONES, VOICE BOXES, TELEPHONE DIALING DEVICES, PRIVATE AUTOMATIC BRANCH EXCHANGES;TELECOMMUNICATION NETWORKS CONSISTING OF EXCHANGE AND TRANSMISSION EQUIPMENT, INDIVIDIDUCAL MODULES AND POWER SUPPLY UNITS, TRANSMISSION MEDIA, NAMELY, TELECOMMUNICATION CABLES AND OPTICAL FIBERS AND PERTINENT CONNECTION ELEMENTS, NAMELY, CABLE CONNECTORS AND FIBER OPTIC CONNECTORS