AT&T 2400 - Manual (Page 152)

Glossary
GL-12 Issue 2 December 1995
initialize
To start up the system for the first time.
input
A signal fed into a circuit or channel.
integrated services digital network (ISDN)
A network that provides end-to-end digital connectivity to support a wide range of voice and data
services.
integrated voice processing CELP card
The IVC6 card.
interface
The device or software that forms the boundary between two devices or parts of a system, allow-
ing them to work together.
interrupt request (IRQ)
A device that signals the data bus and the CPU that it needs attention.
INTUITY AUDIX Digital Networking
An INTUITY feature that allows customers to link together up to 500 remote INTUITY machines for
a total of up to 500,000 remote subscribers. See also
digital networking .
I/O address
input/output address.
IRQ
See interrupt request .
ISDN
See integrated services digital network .
isolating data interface (IDI)
A synchronous, full duplex data device used for cable connections between an INTUITY
GPSC-AT/E card and the switch data communications interface unit (DCIU).
J
jumper
Pairs or sets of small prongs on circuit cards and mother boards that allow the user to instruct the
computer to select one of its available operation options. When two pins are covered, an electri-
cal circuit is completed.
K
Kbps
kilobits per second. One thousand bits per second.