Administrator's Guide

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Issue 5 October 2002 1997555-233-506
SXS
Step-by-step
synchronous data transmission
A method of sending data in which discrete signal elements are sent at a fixed and continuous rate and speci-
fied times. See also association.
SYSAM
System Access and Administration
system administrator
The person who maintains overall customer responsibility for system administration. Generally, all adminis-
tration 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).
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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.