What is demarc (demarcation point) ? - Definition from Whatis.com

Definition

demarc (demarcation point)

A demarc (an abbreviation for demarcation point) marks the point where communications facilities owned by one organization interface with that of another organization. In telephone terminology, this is the interface between customer-premises equipment and network service provider equipment.

A synonym is network terminating interface (NTI).

Contributor(s): Brandon Lemke and Mike Raymer
This was last updated in January 1999

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