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Introduction

Originally, access to the public telecommunication networks over the local loop (subscriber line) was by analogue technology over twisted pair copper wires to support voice and low rate data (e.g. fax). Thanks to technological developments, those twisted pairs can now be used to carry digital signals (e.g. Integrated Services Digital Network, ISDN) or used for voiceband plus digital data as in the variants of Digital Subscriber Line (xDSL).

Other technologies also offer the customer a telecommunications 'pipe' to and from the home. These include:

Our Role & Activities

The following technical committees are responsible for fixed lines access at ETSI:

Technical committee for Access, Terminals, Transmission and Multiplexing (ATTM) is the home for access technologies such as narrow band (Integrated Services Digital Network, ISDN, and Public Switched Telephone Service, PSTN), broadband (Digital Subscriber Line, DSL) and fibre optics.

Technical committee for Integrated broadband cable and television networks (CABLE) produces standards for broadband cable and television networks using hybrid fibre coaxial technology.

Standards

A full list of related standards in the public domain is accessible via the ETSI standards search.

Related Committees
ATTMCABLE

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