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Cable modem

Index Cable modem

A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC) and radio frequency over glass (RFoG) infrastructure. [1]

140 relations: Ameritech, Analog telephone adapter, Application layer, Arris International, Asia, Asynchronous transfer mode, Australia, Bandwidth (signal processing), Baseband, Best-effort delivery, Bit rate, Bridging (networking), Brisbane, Broadband, Cable Internet access, Cable modem, Cable modem termination system, Cable telephony, Cable television, Cable television headend, CableLabs, Carrier wave, Channel (broadcasting), Channel bonding, Closed-circuit television, Coaxial cable, Code point, Code-division multiple access, Com21, Communication channel, Computer, Customer-premises equipment, Data link layer, Data-rate units, DAVIC, Digital signal, Digital subscriber line, Digital Video Broadcasting, Distribution amplifier, DOCSIS, Dynamic Host Configuration Protocol, Electrical termination, Ethernet, Ethernet over twisted pair, Europe, FM broadcasting, Four-wire circuit, Fourier series, Frequency-division multiplexing, Hertz, ..., HomePNA, HowStuffWorks, HP OpenView, Hybrid fibre-coaxial, IEEE 802, IEEE 802.1D, IEEE 802.3, IEEE 802.7, Information theory, Institute of Electrical and Electronics Engineers, Integrated services, International Telecommunication Union, Internet access, Internet Engineering Task Force, Internet Experiment Note, Internet Protocol, IP address, IPv6, Japan, Johnson Space Center, Line code, List of interface bit rates, List of multiple-system operators, Local area network, Los Angeles Times, MAC address, MagicJack, Management information base, Medium access control, Melbourne, Mitre Corporation, Modulation, Motorola, NASA, NetBIOS, Network interface controller, Network layer, Network planning and design, Network topology, Networking cables, Nortel, NTSC, Numericable, OSI model, PacketCable, PAL, PC World, PHY (chip), Physical layer, Port (computer networking), Public switched telephone network, Quality of service, Radio frequency, Radio frequency over glass, Real-time Transport Protocol, Residential gateway, Resource Reservation Protocol, Router (computing), Rouzbeh Yassini, Satellite Internet access, Signal, Signal-to-noise ratio, Simple Network Management Protocol, Simplex communication, Society of Cable Telecommunications Engineers, Square wave, Sydney, Telephony, Television network, Telstra Media, Terminal (telecommunication), Terrestrial television, Transport layer, Tree network, Triple play (telecommunications), Trivial File Transfer Protocol, United States, User Datagram Protocol, Virtual LAN, Voice frequency, Voice over IP, Vonage, Walter Reed Army Medical Center, Wide Open West, Working group, Zenith Cable Modem, Zenith Electronics, 10BASE2, 10BASE5, 10BROAD36. Expand index (90 more) »

Ameritech

AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and before that American Information Technologies Corporation), was a U.S. telecommunications company that arose out of the 1984 AT&T divestiture.

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Analog telephone adapter

An analog telephone adapter (ATA) is a device for connecting traditional analog telephones, fax machines, and similar customer-premises devices to a digital telephone system or a voice over IP telephony network.

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Application layer

An application layer is an abstraction layer that specifies the shared communications protocols and interface methods used by hosts in a communications network.

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Arris International

Arris International Plc is a British telecommunications equipment manufacturing company incorporated in England and Wales that provides cable operators with data, video and telephony systems for homes and businesses.

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Asia

Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.

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Asynchronous transfer mode

Asynchronous transfer mode (ATM) is, according to the ATM Forum, "a telecommunications concept defined by ANSI and ITU (formerly CCITT) standards for carriage of a complete range of user traffic, including voice, data, and video signals".

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

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Baseband

Baseband is a signal that has a very narrow and near-zero frequency range, i.e. a spectral magnitude that is nonzero only for frequencies in the vicinity of the origin (termed f.

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Best-effort delivery

Best-effort delivery describes a network service in which the network does not provide any guarantee that data is delivered or that delivery meets any quality of service.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Bridging (networking)

A network bridge is a computer networking device that creates a single aggregate network from multiple communication networks or network segments.

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Brisbane

Brisbane is the capital of and most populous city in the Australian state of Queensland, and the third most populous city in Australia.

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Broadband

In telecommunications, broadband is wide bandwidth data transmission which transports multiple signals and traffic types.

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Cable Internet access

In telecommunications, cable Internet access, shortened to cable Internet, is a form of broadband Internet access which uses the same infrastructure as a cable television.

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Cable modem

A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fibre-coaxial (HFC) and radio frequency over glass (RFoG) infrastructure.

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Cable modem termination system

A cable modem termination system or CMTS is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide high speed data services, such as cable Internet or Voice over Internet Protocol, to cable subscribers.

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Cable telephony

Cable telephony is a form of digital telephony over cable TV networks.

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Cable television

Cable television is a system of delivering television programming to paying subscribers via radio frequency (RF) signals transmitted through coaxial cables, or in more recent systems, light pulses through fiber-optic cables.

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Cable television headend

A cable television headend is a master facility for receiving television signals for processing and distribution over a cable television system.

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CableLabs

Cable Television Laboratories, Inc. (in short form, CableLabs) is a not-for-profit innovation and research and development lab founded in 1988 by American cable operators.

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Carrier wave

In telecommunications, a carrier wave, carrier signal, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information.

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Channel (broadcasting)

In broadcasting, a channel or frequency channel is a designated radio frequency (or, equivalently, wavelength), assigned by a competent frequency assignment authority for the operation of a particular radio station, television station or television channel.

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Channel bonding

Channel bonding is an arrangement of communications links in which two or more links are combined for redundancy or increased throughput.

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Closed-circuit television

Closed-circuit television (CCTV), also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors.

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Coaxial cable

Cross-sectional view of a coaxial cable Coaxial cable, or coax (pronounced), is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield.

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Code point

In character encoding terminology, a code point or code position is any of the numerical values that make up the code space.

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Code-division multiple access

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.

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Com21

Com21 was an early pioneer in developing cable modem networks in the era before the standard DOCSIS was introduced for Internet access via cable television networks.

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Communication channel

A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Customer-premises equipment

Customer-premises equipment or customer-provided equipment (CPE) is any terminal and associated equipment located at a subscriber's premises and connected with a carrier's telecommunication circuit at the demarcation point ("demarc").

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Data link layer

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking.

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Data-rate units

In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system.

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DAVIC

DAVIC, Digital Audio Video Council, was founded in 1994 with the aim of promoting the success of interactive digital audio-visual applications and services by promulgating specifications of open interfaces and protocols that maximise interoperability, not only across geographical boundaries but also across diverse applications, services and industries.

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Digital signal

A digital signal is a signal that is being used to represent data as a sequence of discrete values; at any given time it can only take on one of a finite number of values.

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Digital subscriber line

Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.

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Digital Video Broadcasting

Digital Video Broadcasting (DVB) is a set of internationally open standards for digital television.

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Distribution amplifier

In electronics, a distribution amplifier, or simply distribution amp or DA, is a device that accepts a single input signal and provides this same signal to multiple isolated outputs.

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DOCSIS

Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable TV (CATV) system.

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Dynamic Host Configuration Protocol

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

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Electrical termination

In electronics, electrical termination is the practice of ending a transmission line with a device that matches the characteristic impedance of the line.

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Ethernet

Ethernet is a family of computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN).

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Ethernet over twisted pair

Ethernet over twisted pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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FM broadcasting

FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.

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Four-wire circuit

In telecommunication, a four-wire circuit is a two-way circuit using two paths so arranged that the respective signals are transmitted in one direction only by one path and in the other direction by the other path.

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Fourier series

In mathematics, a Fourier series is a way to represent a function as the sum of simple sine waves.

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Frequency-division multiplexing

In telecommunications, frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided into a series of non-overlapping frequency bands, each of which is used to carry a separate signal.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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HomePNA

The HomePNA Alliance is an incorporated non-profit industry association of companies that develops and standardizes technology for home networking over the existing coaxial cables and telephone wiring within homes, so new wires do not need to be installed.

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HowStuffWorks

HowStuffWorks is an American commercial educational website founded by Marshall Brain to provide its target audience an insight into the way many things work.

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HP OpenView

HP OpenView is the former name for a Hewlett-Packard product family that consisted of network and systems management products.

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Hybrid fibre-coaxial

Hybrid fiber-coaxial (HFC) is a telecommunications industry term for a broadband network that combines optical fiber and coaxial cable.

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IEEE 802

IEEE 802 is a family of IEEE standards dealing with local area networks and metropolitan area networks.

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IEEE 802.1D

802.1D is the IEEE MAC Bridges standard which includes Bridging, Spanning Tree and others.

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IEEE 802.3

IEEE 802.3 is a working group and a collection of Institute of Electrical and Electronics Engineers (IEEE) standards produced by the working group defining the physical layer and data link layer's media access control (MAC) of wired Ethernet.

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IEEE 802.7

IEEE 802.7 is a sub-standard of the IEEE 802 which covers broadband local area networks.

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Information theory

Information theory studies the quantification, storage, and communication of information.

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Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.

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Integrated services

In computer networking, IntServ or integrated services is an architecture that specifies the elements to guarantee quality of service (QoS) on networks.

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International Telecommunication Union

The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.

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Internet access

Internet access is the ability of individuals and organizations to connect to the Internet using computer terminals, computers, and other devices; and to access services such as email and the World Wide Web.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

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Internet Experiment Note

An Internet Experiment Note (IEN) is a sequentially numbered document in a series of technical publications issued by the participants of the early development work groups that created the precursors of the modern Internet.

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Internet Protocol

The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.

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IP address

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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IPv6

Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.

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Japan

Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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Johnson Space Center

The Lyndon B. Johnson Space Center (JSC) is the National Aeronautics and Space Administration's Manned Spacecraft Center, where human spaceflight training, research, and flight control are conducted.

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Line code

Some signals are more prone to error than others when conveyed over a communication channel as the physics of the communication or storage medium constrains the repertoire of signals that can be used reliably.

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List of interface bit rates

This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.

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List of multiple-system operators

A multiple-system operator (MSO) is an operator of multiple cable or direct-broadcast satellite television systems.

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Local area network

A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.

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Los Angeles Times

The Los Angeles Times is a daily newspaper which has been published in Los Angeles, California since 1881.

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MAC address

A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.

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MagicJack

magicJack is a device that plugs into a USB port on the user's computer (or in the case of magicJack Plus, plugs directly into a router) and has a standard RJ-11 phone jack into which any standard phone can be plugged.

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Management information base

A management information base (MIB) is a database used for managing the entities in a communication network.

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Medium access control

In IEEE 802 LAN/MAN standards, the medium access control (MAC) sublayer (also known as the media access control sublayer) and the logical link control (LLC) sublayer together make up the data link layer.

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Melbourne

Melbourne is the state capital of Victoria and the second-most populous city in Australia and Oceania.

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Mitre Corporation

The Mitre Corporation (stylized as The MITRE Corporation and MITRE) is an American not-for-profit organization based in Bedford, Massachusetts, and McLean, Virginia.

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Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.

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Motorola

Motorola, Inc. was an American multinational telecommunications company founded on September 25, 1928, based in Schaumburg, Illinois.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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NetBIOS

NetBIOS is an acronym for Network Basic Input/Output System.

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Network interface controller

A network interface controller (NIC, also known as a network interface card, network adapter, LAN adapter or physical network interface, and by similar terms) is a computer hardware component that connects a computer to a computer network.

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Network layer

In the seven-layer OSI model of computer networking, the network layer is layer 3.

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Network planning and design

Network planning and design is an iterative process, encompassing topological design, network-synthesis, and network-realization, and is aimed at ensuring that a new telecommunications network or service meets the needs of the subscriber and operator.

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Network topology

Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network.

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Networking cables

Networking cables are networking hardware used to connect one network device to other network devices or to connect two or more computers to share printers, scanners etc.

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Nortel

Nortel Networks Corporation, formerly known as Northern Telecom Limited, Northern Electric and sometimes known simply as Nortel, was a multinational telecommunications and data networking equipment manufacturer headquartered in Mississauga, Ontario, Canada.

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NTSC

NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.

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Numericable

Numericable was a cable operator and telecommunications services company.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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PacketCable

PacketCable network is a technology specification defined by the industry consortium CableLabs for using Internet Protocol (IP) networks to deliver multimedia services, such as IP telephony, conferencing, and interactive gaming on a cable television infrastructure.

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PAL

Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).

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PC World

PC World, stylized PCWorld, is a global computer magazine published monthly by IDG.

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PHY (chip)

PHY is an abbreviation for the physical layer of the OSI model and refers to the circuitry required to implement physical layer functions.

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Physical layer

In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer.

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Port (computer networking)

In computer networking, a port is an endpoint of communication in an operating system, which identifies a specific process or a type of network service running on that system.

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Public switched telephone network

The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication.

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Quality of service

Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network or a cloud computing service, particularly the performance seen by the users of the network.

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Radio frequency

Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.

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Radio frequency over glass

In telecommunications, radio frequency over glass (RFoG) is a deep-fiber network design in which the coax portion of the hybrid fiber coax (HFC) network is replaced by a single-fiber passive optical network (PON).

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Real-time Transport Protocol

The Real-time Transport Protocol (RTP) is a network protocol for delivering audio and video over IP networks.

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Residential gateway

In telecommunications networking, a residential gateway (more commonly known as a home router or home gateway) is a device that allows a local area network (LAN) to connect to a wide area network (WAN) via a modem.

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Resource Reservation Protocol

The Resource Reservation Protocol (RSVP) is a transport layer protocol designed to reserve resources across a network for quality of service (QoS) using the integrated services model.

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Router (computing)

A router is a networking device that forwards data packets between computer networks.

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Rouzbeh Yassini

Rouzbeh Yassini (روزبه یاسینی), Ph.D., "Father of the Cable Modem", is an Iranian-American author, inventor, and engineer, who has gained an international reputation as a "broadband visionary" for his pioneering work in broadband industry and inventing the cable modem, establishing the cable modem industry standards (DOCSIS) through Cable Television Laboratories (CableLabs), the Society of Cable Telecommunications Engineers (SCTE) and the International Telecommunication Union (ITU).

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Satellite Internet access

Satellite Internet access is Internet access provided through communications satellites.

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Signal

A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon".

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Signal-to-noise ratio

Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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Simple Network Management Protocol

Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior.

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Simplex communication

Simplex communication is a communication channel that sends information in one direction only.

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Society of Cable Telecommunications Engineers

The Society of Cable Telecommunications Engineers or SCTE is a non-profit professional association for the advancement of technology, standards and workforce education related to cable telecommunications engineering.

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Square wave

A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum.

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Sydney

Sydney is the state capital of New South Wales and the most populous city in Australia and Oceania.

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Telephony

Telephony is the field of technology involving the development, application, and deployment of telecommunication services for the purpose of electronic transmission of voice, fax, or data, between distant parties.

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Television network

A television network is a telecommunications network for distribution of television program content, whereby a central operation provides programming to many television stations or pay television providers.

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Telstra Media

Telstra Media (formerly known as BigPond) is an Australian Internet service provider and a product of Telstra.

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Terminal (telecommunication)

In the context of telecommunications, a terminal is a device which ends a telecommunications link and is the point at which a signal enters and/or leaves a network.

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Terrestrial television

Terrestrial or broadcast television is a type of television broadcasting in which the television signal is transmitted by radio waves from the terrestrial (Earth based) transmitter of a television station to a TV receiver having an antenna.

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Transport layer

In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet Protocol Suite and the OSI model.

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Tree network

A tree network, or star-bus network, is a hybrid network topology in which star networks are interconnected via bus networks.

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Triple play (telecommunications)

In telecommunications, triple play service is a marketing term for the provisioning, over a single broadband connection, of: two bandwidth-intensive services, broadband Internet access and television, and the latency-sensitive telephone.

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Trivial File Transfer Protocol

Trivial File Transfer Protocol (TFTP) is a simple lockstep File Transfer Protocol which allows a client to get a file from or put a file onto a remote host.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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User Datagram Protocol

In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.

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Virtual LAN

A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2).

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Voice frequency

A voice frequency (VF) or voice band is one of the frequencies, within part of the audio range, that is being used for the transmission of speech.

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Voice over IP

Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

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Vonage

Vonage is a publicly-held Internet telephony service provider, providing business and residential telecommunication services based on voice over Internet Protocol (VoIP).

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Walter Reed Army Medical Center

The Walter Reed Army Medical Center (WRAMC) — known as Walter Reed General Hospital (WRGH) until 1951 — was the U.S. Army's flagship medical center from 1909 to 2011.

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Wide Open West

Wide Open West (doing business as WOW!) is the sixth largest cable operator in the United States.

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Working group

A working group or working party is a group of experts working together to achieve specified goals.

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Zenith Cable Modem

Zenith Cable Modem was one of the first proprietary cable modems.

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Zenith Electronics

Zenith Electronics LLC is an American brand of consumer electronics owned by South Korean company LG Electronics.

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10BASE2

10BASE2 (also known as cheapernet, thin Ethernet, thinnet, and thinwire) is a variant of Ethernet that uses thin coaxial cable terminated with BNC connectors.

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10BASE5

10BASE5 (also known as thick Ethernet or thicknet) was the first commercially available variant of Ethernet.

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10BROAD36

10BROAD36 is an obsolete computer network standard in the Ethernet family.

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Redirects here:

CDLP, Cable Modem, Cable modems, CableModem, Cablemodem, Embedded Multimedia Terminal Adapter, Embedded multimedia terminal adapter, IEEE 802.14, Multimedia Terminal Adapter, Multimedia terminal adapter.

References

[1] https://en.wikipedia.org/wiki/Cable_modem

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