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.

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 first published in April 2005

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