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Modem Pooling
Provides shared-use conversion resources that eliminate the need for a dedicated
modem when an analog data end point accesses, or is accessed by, an analog line or
trunk.
Multifeature Single-Line Voice Terminal
A terminal served by one tip and ring voice circuit and having additional buttons for
activating features.
Multilane 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.
Multiplexed
The simultaneous transmission of two or more signals over a common transmission
medium.
NPA: (Number Plan Area)
Network
An arrangement of inter and/or intra location circuits designed to perform specific
functions.
Network Interface
Provided by the CO telephone company in two forms:
(l) RJ21X for trunk facilities other than tie trunks.
(2) RJ2GX for tie trunk facilities.
An arrangement provided by the local telephone company which permits remote
Terminal Equipment to operate as though it was directly connected to the System 25.
This tariffed service can only be provided for FCC registered single-line voice
terminals.
Out-Of-Building Station
The Terminal Equipment indirectly connected to the System 25, but is not located in
the same building as the common equipment.
Special arrangements are made to
protect the system and its users from lightning, power line crosses, etc. Only the
single-line and 7300H series of voice terminal may be so connected. MET Sets can
not be connected as Out-Of-Building stations.
PDC: (Personal Dial Code)
Paging Trunk
A telecommunications channel used to access an amplifier for loudspeaker paging.
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