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Customer service unit

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This is an old revision of this page, as edited by Tachs (talk | contribs) at 12:49, 20 July 2015 (Disambiguated: equalization → equalization (communications)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In telecommunication, a customer service unit (CSU) is a device that provides an accessing arrangement at a user location to either switched or point-to-point, data-conditioned circuits at a specifically established data signaling rate.

A CSU provides local loop equalization, transient protection, isolation, and central office loop-back testing capability.

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Public Domain This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22.


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