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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-34
MSA
Message servicing adjunct
MSG
Message service
MSL
Material stocking location
MSM
Modular System Management
MSS
Mass storage system
MSSNET
Mass storage/network control
MT
Management terminal
MTDM
Modular trunk data module
MTP
Maintenance tape processor
MTT
Multitasking terminal
multiappearance voice terminal
A terminal equipped with several call-appearance buttons for the same extension, allowing the
user to handle more than one call on that same extension at the same time.
Multicarrier cabinet
A structure that holds one to five carriers. See also single-carrier cabinet
.
Multifrequency Compelled (MFC) Release 2 (R2) signaling
A signal consisting of two frequency components, such that when a signal is transmitted from a
switch, another signal acknowledging the transmitted signal is received by the switch. R2
designates signaling used in the United States and in countries outside the United States.
multiplexer
A device used to combine a number of individual channels into a single common bit stream for
transmission.
multiplexing
A process whereby a transmission facility is divided into two or more channels, either by splitting
the frequency band into a number of narrower bands or by dividing the transmission channel into
successive time slots. See also time-division multiplexing (TDM)
.
multirate
The new N x DS0 service (see N x DS0).
MWL
Message-waiting lamp