TELECOMMUNICATION AND SWITCHING APPARATUS, NAMELY, MODEMS, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, CONTROLLERS, SWITCHES, MULTIPLEXERS, ELEMENT MANAGERS, DIGITAL LOOP CONCENTRATORS, ROUTERS, SERVERS, INTEGRATED CIRCUITS AND INTERFACES, FOR TRANSMISSION OF SIGNALS OVER COPPER WIRE INFRASTRUCTURE; TELECOMMUNICATION AND SWITCHING APPARATUS, NAMELY, MODEMS, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, CONTROLLERS, SWITCHES, MULTIPLEXERS, ELEMENT MANAGERS, DIGITAL LOOP CONCENTRATORS, ROUTERS, SERVERS, INTEGRATED CIRCUITS AND INTERFACES, FOR TRANSMISSION OF SIGNALS OVER OPTICAL FIBER INFRASTRUCTURE; APPARATUS, NAMELY, MODEMS, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, CONTROLLERS, SWITCHES, MULTIPLEXERS, ELEMENT MANAGERS, DIGITAL LOOP CONCENTRATORS, ROUTERS, SERVERS, INTEGRATED CIRCUITS AND INTERFACES, FOR CONVEYING TELECOMMUNICATION SIGNALS FROM A COMMON SOURCE TO A PLURALITY OF DESTINATIONS
Electrical and Scientific Apparatus