Lucent Technologies Definity Enterprise Communication Server 8.2 Manuale Utente
DEFINITY ECS Release 8.2
Administrator’s Guide
Administrator’s Guide
555-233-506
Issue 1
April 2000
Glossary and abbreviations
1655
SCSI
See
small computer system interface (SCSI)
.
SDDN
Software-Defined Data Network
SDI
Switched Digital International
SDLC
Synchronous data-link control
SDN
Software-defined network
SFRL
Single-frequency return loss
SID
Station-identification number
simplex system
A system that has no redundant hardware.
simulated bridged appearance
The same as a temporary bridged appearance; allows the terminal user (usually the principal) to bridge onto a
call that had been answered by another party on his or her behalf.
call that had been answered by another party on his or her behalf.
single-carrier cabinet
A combined cabinet and carrier unit that contains one carrier. See also
Multicarrier cabinet
.
single-line voice terminal
A voice terminal served by a single-line tip and ring circuit (models 500, 2500, 7101A, 7103A).
SIT
Special-information tones
SLS
Service Level Supervisor
small computer system interface (SCSI)
An ANSI bus standard that provides a high-level command interface between host computers and peripheral
devices.
devices.
SMDR
Station Message Detail Recording
SN
Switch Node
SNA
Systems Network Architecture
SNC
Switch Node Clock
SNI
Switch Node Interface