Network interface device: Difference between revisions

Revision as of 12:27, 13 September 2024

Revision as of 12:31, 13 September 2024

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{{Short description|Device that separates the carrier's wiring from the customer's}}

{{Distinguish|Network Device Interface|Network interface controller}}

{{More footnotes needed|date=June 2010}}

[[file:Network interface device ameritech.jpg|thumb|upright|Two simple NIDs, carrying six lines each, on the outside of a building]]

[[file:apl germany.jpeg|thumb|upright|A German copper phone line termination box called ''[[:de:Abschlusspunkt Linientechnik|Abschlusspunkt LinienTechnik]]'' (APL, "[[Demarcation point]]")]]

In [[telecommunicationtelecommunications]]s, a '''network interface device''' ('''NID'''; also known by several other names) is a device that serves as the [[demarcation point]] between the carrier's [[local loop]] and the customer's [[on-premises wiring|premises wiring]]. Outdoor telephone NIDs also provide the subscriber with access to the station wiring and serve as a convenient test point for verification of loop integrity and of the subscriber's inside wiring.

== Naming ==

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A '''smartjack''' is a type of NID with capabilities beyond simple electrical connection, such as diagnostics.

An '''[[#Optical network terminals|optical network terminal]]''' (ONT) is a type of NID used with [[Fiber to the x|fiber-to-the-premises]] applications.

== Wiring termination ==