9 COMMUNICATION AND TELECOMMUNICATION EQUIPMENT FOR LOCAL AND GLOBAL ACCESS NETWORKS, NAMELY, MULTIPLEXERS, OPTICAL INTERFACES, OPTICAL MODULES, ELECTRONIC MODULES, OPTIC FIBERS, INTERNET PROTOCOL PACKETIZERS, ROUTERS, ETHERNET BRIDGES, OPTICAL SWITCHES, ELECTRONIC SWITCHES, OPTICAL TRANSMITTERS, TRANSCEIVERS AND RECEIVERS, TRANSPONDERS, WAVE DIVISION MULTIPLEXERS