Instruction manual

GLOSSARY
Modular Processor Data Module (MPDM)
See Processor Data Module.
Modular Trunk Data Module (MTDM)
See Trunk Data Module.
Modem Pooling
Provides shared-use conversion resources that eliminate the need for a dedicated
modem when a data module accesses, or is accessed by, an analog line or trunk.
Multi-Appearance Voice Terminal
A terminal equipped with several call appearance buttons for the same extension
number. Allows the user to handle more than one call, on that same extension number,
at the same time.
Multiplexer
A device for simultaneous transmission of two or more signals over a common transmis-
sion medium.
N
Network
An arrangement of inter- and/or intra-location circuits designed to perform specific func-
tions.
P
Paging Trunk
A telecommunications channel used to access an amplifier for loudspeaker paging.
Pickup Group
A group of individuals authorized to answer any call directed to an extension number
within the group.
Port
A designation of the location of a circuit that provides an interface between the system
and lines and/or trunks.
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