MicroNet BroadLink SP3353 Przewodnik Instalacji Pobierz pdf (Strona 66)

is chosen only when a message is sent. There is no pre-arrangement, so each

virtual connection exists only for the duration of that one transmission.

VPI

Virtual Path Identifier. Identifies virtual paths between users or between users and

networks.

WAN

Wide Area Networks link geographically dispersed offices in other cities or around

the globe. Just about any long-distance communication medium can serve as a

WAN link, including switched and permanent telephone circuits, terrestrial radio

systems, and satellite systems.

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MicroNet BroadLink SP3353 Przewodnik Instalacji Strona 66