DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Glossary and abbreviations
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stroke counts
A method used by ACD agents to record up to nine customer-defined events per call when CMS is active.
SVN
Security-violation notification
switch
Any kind of telephone switching system. See also communications system.
switchhook
The buttons located under the receiver on a voice terminal.
switch-node (SN) carrier
A carrier containing a single switch node, power units, and, optionally, one or two DS1 converter circuit
packs. An SN carrier is located in a center-stage switch.
switch-node (SN) clock
The circuit pack in an SN carrier that provides clock and maintenance alarm functions and environmental
monitors.
switch-node interface (SNI)
The basic building block of a switch node. An SNI circuit pack controls the routing of c i rcuit, packet, and
control messages.
switch-node link (SNL)
The hardware that provides a bridge between two or m ore switch nodes. The SNL consists of the tw o SNI cir-
cuit packs residing on the switch nodes and the hardware connecting the SNIs. This hardware can include
lightwave transceivers that convert the SNI’s electrical signals to light signals, the copper wire that connects
the SNIs to the lightwave transceivers, a full-duplex fiber-optic cable, DS1 converter circuit cards and DS1
facilities if a company does not have rights to lay cable, and appropriate connectors.
switch-processing element (SPE)
A complex of circuit packs (processor, memory, disk controller, and bus-interface cards) mounted in a PPN
control carrier. The SPE serves as the control element for that PPN and, optionally, for one or more EPNs.
SXS
Step-by-step
synchronous data transmission
A method of sending data in which discrete signal elements are sent at a fixed and continuous rat e an d 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.