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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Glossary and Abbreviations
Page GL-47
system administrator
The person who maintains overall customer responsibility for system administration. Generally, all
administration functions are performed from the Management Terminal. The switch requires a
special login, referred to as the system administrator login, to gain access to
system-administration capabilities.
system printer
An optional printer that may be used to print scheduled reports via the report scheduler.
system report
A report that provides historical traffic information for internally measured splits.
system-status report
A report that provides real-time status information for internally measured splits.
system manager
A person responsible for specifying and administering features and services for a system.
system reload
A process that allows stored data to be written from a tape into the system memory (normally after
a power outage).
T
T1
A digital transmission standard that in North America carries traffic at the DS1 rate of 1.544 Mbps.
A T1 facility is divided into 24 channels (DS0s) of 64 kbps. These 24 channels, with an overall
digital rate of 1.536 Mbps, and an 8-kbps framing and synchronization channel make up the
1.544-Mbps transmission. When a D-channel is present, it occupies channel 24. T1 facilities are
also used in Japan and some Middle-Eastern countries.
TAAS
Trunk Answer from Any Station
TABS
Telemetry asynchronous block serial
TAC
Trunk-access code
tandem switch
A switch within an electronic tandem network (ETN) that provides the logic to determine the best
route for a network call, possibly modifies the digits outpulsed, and allows or denies certain calls
to certain users.
tandem through
The switched connection of an incoming trunk to an outgoing trunk without human intervention.
tandem tie-trunk network (TTTN)
A private network that interconnects several customer switching systems.
TC
Technical consultant
TCM
Traveling class mark