AT&T OneVision DEFINITY G3 Guide, Installation And Connection Manual

Page: 272 / 287

Issue 2 April 1996 GL-1
GL
A
active port A communications port has active status when it is connected to a target
system and when a Proxy Agent application is currently using the
connection.
ACU Automated calling unit. A telephone device that places a call on behalf of
a computer.
adapter A hardware card or board that allows one hardware component to
communicate with another.
address A number, label, or name that shows the location of information in the
computer’s memory.
administer To access and change the parameters associated with the services or
features of the system.
ADU Asynchronous data unit. A type of data communications equipment that
allows a direct connection between RS-232C equipment and a digital
switch.
Asynchro-
nous data unit See ADU.
AUDIX Audio information exchange. A fully integrated message-handling or
voice-mail system that you can use with a variety of communications
systems. AUDIX allows subscribers to send and receive voice messages
using recorded prompts and announcements as a guide.
Automated
calling unit See ACU.
B
baud In telecommunications applications, a unit of transmission speed equal to
the number of signal events per second. See also
bps.
Glossary