Lucent Technologies MERLIN LEGEND Release 7.0 Feature Reference page 1017

MERLIN LEGEND Communications System Release 7.0
Feature Reference 555-670-110
Glossary
ISDN
ISDN 7500B Data
Module
ISDN Terminal
Adapter
ISDN Terminal
Adapter Data
Station
J
Jack
K
kbps
Key Mode
L
LAN
LDN
LED
Line
Integrated Services Digital Network . Public or private
network that provides end-to-end digital connectivity for all
services to which users have access by a limited set of
standard multipurpose user and network interfaces ;
provides digital circuit-switched or packet-switched
connections within the network and to other networks for
national and international digital connectivity.
Data communications device that allows connection
between an RS-232 DTE device and the control unit by
MLX extension jacks on an MLX module.
Integrated Services Digital Network Terminal Adapter . A
device that connects the communications system with data
terminal equipment (DTE).
Type of data station that includes an ISDN terminal adapter
as its DCE. It may also include an MLX telephone for
simultaneous voice and data (ISDN terminal adapter data-
only station). These data stations connect to MLX
extension jack modules for digital transmission of data over
a DS1 facility.
Physical connection point to the system for a telephone,
line/trunk, or other device. Also called "port."
kilobits per second .
One of three modes of system operation, in which the
system uses personal lines on line buttons for outside calls,
with a separate interface ( ICOM buttons ) for inside calling.
See also Behind Switch Mode
Local Area Network . Arrangement of interconnected
personal computers or terminals, which sometimes access
a host computer, and sometimes sharing resources such
as files and printers.
Listed Directory Number .
Light-Emitting Diode . Semiconductor device that produces
light when voltage is applied; light on a telephone.
Connection between extensions within the communications
system; often, however, used synonymously with trunk .
and Hybrid/PBX Mode.
Issue 1
April 1999
GL-17