(NAP) Network Access Point: Also known as the Internet Exchanges (IXS), it is a point where major Internet service providers come together and interconnect with each other.
Narrowcasting: Delivery of programming that addresses a specific need or highly focused audience.
Near Video On Demand: The practice of offering the same programming on different channels at different times so that customers do not have to wait long for a desired show to begin.
(NEL) Network Element Layer: The layer of an integrated digital network whose function and capabilities include the information necessary for billing and collection, for routing or transmission of a telecommunications service.
Network Non-Duplication Rules: FCC rules prohibiting a cable operator from importing a network’s broadcast signals from a distant television market when they are available simultaneously from a local network affiliate.
(NIC) Network Interface Card: An interface card that interconnects all the adapters in a computer to provide access to the network.
Node: A connection point in a cable system (often where a fiber enters a neighborhood and connects to coaxial cables serving 200-1000 individual homes).
Noise: Static and other distortions to an electronic signal which degrade the quality of television pictures and sound received by the consumer.
(NPA) Numbering Plan Area: The first three digits of a North American telephone number, often an “area code”, in which the first digit cannot be a 1 or a 0 and that the remaining numbers can be 2 through 9.
(NPAC) Number Portability Administration Center: A national database that keeps track of all ported number at the national and regional levels.
(NSP) Network Service Provide: An Internet provider that offers high-speed backbone services.
(NTSC) National Television System Committee: Responsible for the specifications administered by the FCC for commercial broadcasting.
Number Portability: The right of telephone customers to keep their existing phone numbers if they change locations or service providers.