COMPUTER NETWORK PRODUCTS, NAMELY, OPTICAL AMPLIFIERS, CROSS-CONNECT SWITCHES, RECEIVERS, TRANSMITTERS, TRANSCEIVERS, PHOTO DETECTORS, LASER MODULES AND NETWORK SYSTEMS CAPABLE OF INTEGRATING ALL ACCESS AND INTEROFFICE TRANSPORT FACILITIES INTO A SINGLE NETWORK ELEMENT; COMPUTER NETWORK PRODUCTS, NAMELY, OPTICAL AMPLIFIERS, CROSS-CONNECT SWITCHES, RECEIVERS, TRANSMITTERS, TRANSCEIVERS, PHOTO DETECTORS, LASER MODULES AND NETWORK SYSTEMS CAPABLE OF INTEGRATING ALL ACCESS AND INTEROFFICE TRANSPO...