TELECOMMUNICATIONS EQUIPMENT, NAMELY, POWER SUPPLIES, CONTROLLERS, VENTILATING FANS, OPTICAL AND DIGITAL TRANSMITTERS FOR BROADCAST AND BROADBAND SIGNAL DELIVERY, DENSE WAVELENGTH DIVISION MULTIPLEXING (DWDM) TRANSMITTERS, OPTICAL AND DIGITAL RECEIVERS USED TO RECEIVE ANALOG AND DIGITAL SIGNALS, OPTICAL DISTRIBUTION NODE USED TO TRANSPORT AND DELIVER VIDEO, VOICE AND DATA, ERBIUM DOPED FIBER AMPLIFIERS (EDFA), CONVERTERS, DIGITAL EQUALIZERS, ATTENUATORS, TRANSMISSION AND NETWORK MANAGEMENT MO...