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intermediate distribution frame (IDF)

Contributor(s): David Hilliard

IDF also stands for interface device .

An intermediate distribution frame (IDF) is a free-standing or wall-mounted rack for managing and interconnecting the telecommunications cable between end user devices and a main distribution frame (MDF). For example, an IDF might be located on each floor of a multi-floor building routing the cabling down the walls to an MDF on the first floor. The MDF would contain cabling that would interconnect to the phone company or to other buildings.

This was last updated in March 2011

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So is it like a primary frame (MDF) and secondary frame (IDF), kind of concept?
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