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Glossary
by multiple users. Typically, user data streams are interleaved on a bit or byte ba- sis (time division) or separated by different carrier frequencies (frequency divi- sion).
multipoint circuit
A circuit consisting of three or more stations connected directly electrically.
Any connection from a CPE to a SPCS that is not served by
Any trunk not served by either SS7 or
NT1
Network termination 1. A unit that provides physical and electromagnetic termi- nation of the
packet mode
Refers to switching of packets of information for different users by statistically multiplexing them over the same transmission facilities. ISDN packet mode capa- bilities are based on CCITT recommendation X.25 procedures.
point-to-point
Describing a circuit connecting two points directly with no intermediate process- ing nodes or computers (although switching facilities could exists). A type of con- nection that links two logical entities (i.e.,
EIA-232-C
An
An EIA interface standard for autodialing.
RS-530
Interface using a
SDLC
Synchronous data link control. A data communications line protocol associated with the IBM system network architecture. SDLC is a
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