Glossary, Active port | AT&T G3 specification

Glossary

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-	See ADU.
nous data unit
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	See ACU.
calling unit

baud	In telecommunications applications, a unit of transmission speed equal to
	the number of signal events per second. See also bps.

Issue 2 April 1996 GL-1