GLOSSARY
ADFTC
ADM
ADU
AIOD
applications processor (AP)
asynchronous data unit
(ADU)
AT&T Audio Information
Exchange (AUDIX)
avalanche diode
backbone cable
backplane
Basic Rate Interface (BRI)
BEF
BRI
analog/digital facility test circuit
asynchronous data module
asynchronous data unit
Automatic Identification of Outward Dialing
A computer designed for running applications that both manage and
enhance the capabilities of a communications system.
A limited-distance modern that allows direct connection between
RS-232C equipment and the communications system.
An AT&T voice-mail system that allows users to leave, receive,
replay, transfer, and broadcast recorded messages.
A solid-state device used as a primary electrical protector against
surges caused by lightning, power crosses, and ground-potential rise.
See distribution cable.
The rear surface of a circuit-pack carrier that is equipped with
clusters of pins for the connection of equipment cables.
A standard ISDN format that supports two B channels and one D
channel.
building entrance facility
basic rate interface
GL-1
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