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Local loop

Index Local loop

In telephony, the local loop (also referred to as a local tail, subscriber line, or in the aggregate as the last mile) is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the common carrier or telecommunications service provider's network. [1]

31 relations: Access network, Common carrier, Competitive local exchange carrier, Customer-premises equipment, Demarcation point, Digital Enhanced Cordless Telecommunications, Digital loop carrier, Digital subscriber line, Electrical network, General Packet Radio Service, High Speed Packet Access, Integrated Services Digital Network, Last mile, Local exchange carrier, Local Multipoint Distribution Service, Local-loop unbundling, Metallic path facilities, Optical fiber, Outside plant, Party line (telephony), Plain old telephone service, Point of presence, Serving area interface, Single-wire earth return, Telecommunications service provider, Telephone exchange, Telephone line, Telephony, Twisted pair, Verizon Fios, WiMAX.

Access network

An access network is a type of telecommunications network which connects subscribers to their immediate service provider.

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Common carrier

A common carrier in common law countries (corresponding to a public carrier in civil law systems,Encyclopædia Britannica CD 2000 "Civil-law public carrier" from "carriage of goods" usually called simply a carrier) is a person or company that transports goods or people for any person or company and that is responsible for any possible loss of the goods during transport.

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Competitive local exchange carrier

A competitive local exchange carrier (CLEC), in the United States and Canada, is a telecommunications provider company (sometimes called a "carrier") competing with other, already established carriers (generally the incumbent local exchange carrier (ILEC)).

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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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Demarcation point

In telephony, the demarcation point is the point at which the public switched telephone network ends and connects with the customer's on-premises wiring.

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Digital Enhanced Cordless Telecommunications

Digital Enhanced Cordless Telecommunications (Digital European Cordless Telecommunications), usually known by the acronym DECT, is a standard primarily used for creating cordless telephone systems.

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Digital loop carrier

A digital loop carrier (DLC) is a system which uses digital transmission to extend the range of the local loop farther than would be possible using only twisted pair copper wires.

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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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Electrical network

An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).

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General Packet Radio Service

General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM).

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High Speed Packet Access

High Speed Packet Access (HSPA) is an amalgamation of two mobile protocols, High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA), that extends and improves the performance of existing 3G mobile telecommunication networks using the WCDMA protocols.

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Integrated Services Digital Network

Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.

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Last mile

The last mile or last kilometer is a colloquial phrase widely used in the telecommunications, cable television and internet industries to refer to the final leg of the telecommunications networks that deliver telecommunication services to retail end-users (customers).

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Local exchange carrier

Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company. In the United States, wireline telephone companies are divided into two large categories: long distance (interexchange carrier, or IXCs) and local (local exchange carrier, or LECs).

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Local Multipoint Distribution Service

Local Multipoint Distribution Service (LMDS) is a broadband wireless access technology originally designed for digital television transmission (DTV).

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Local-loop unbundling

Local loop unbundling (LLU or LLUB) is the regulatory process of allowing multiple telecommunications operators to use connections from the telephone exchange to the customer's premises.

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Metallic path facilities

Metallic path facility (MPF) are the unshielded twisted pair of copper wires that run from a main distribution frame (MDF) at a local telephone exchange to the customer.

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Optical fiber

An optical fiber or optical fibre is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair.

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Outside plant

In telecommunication, the term outside plant has the following meanings.

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Party line (telephony)

A party line (multiparty line, shared service line, party wire) is a local loop telephone circuit that is shared by multiple telephone service subscribers.

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Plain old telephone service

Plain old telephone service or plain ordinary telephone service (POTS) is a retronym for voice-grade telephone service employing analog signal transmission over copper loops.

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Point of presence

A point of presence (PoP) is an artificial demarcation point or interface point between communicating entities.

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Serving area interface

The serving area interface or service area interface (SAI) is an outdoor enclosure or metal box that allows access to telecommunications wiring.

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Single-wire earth return

Single-wire earth return (SWER) or single-wire ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at low cost.

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Telecommunications service provider

A telecommunications service provider (TSP) is a type of communications service provider that has traditionally provided telephone and similar services.

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Telephone exchange

A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.

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Telephone line

A telephone line or telephone circuit (or just line or circuit within the industry) is a single-user circuit on a telephone communication system.

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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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Twisted pair

Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility.

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Verizon Fios

Verizon Fios, also known as Fios by Verizon, is a bundled Internet access, telephone, and television service that operates over a fiber-optic communications network with over 5 million customers in nine U.S. states.

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WiMAX (Worldwide Interoperability for Microwave Access) is a family of wireless communication standards based on the IEEE 802.16 set of standards, which provide multiple physical layer (PHY) and Media Access Control (MAC) options.

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Redirects here:

Last mille, Subscriber line, Subscriber loop, Telephone circuit.


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

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