kahe funktsionaalüksuse vaheline ühispiir, mis on määratletud asjakohaste funktsioonide, füüsilise ühenduse, signaalivahetuse ja muude seda laadi omadustega
a shared boundary between two functional units,defined by functional characteristics,common physical interconnection characteristics,signal characteristics,and other characteristics,as appropriate
(i) a network termination point, which is a physical connection point at which a user is provided with access to public telecommunications network, and/or (ii) an air interface specifying the radio path between radio equipment and their technical specifications
a shared boundary. It may be a piece of hardware used between two pieces of equipment, a portion of computer storage accessed by two or more programs, or simply a surface that forms the boundary between two different materials.