Definition

demarc (demarcation point)

Contributor(s): Brandon Lemke and Mike Raymer

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).

This was last updated in April 2005

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