AT&T MERLIN LEGEND Release 2.0 System Programming And Maintenance Manual page 89

Glossary
Hybrid/PBX
A mode of operation in which the communications system uses trunk
pools and Automatic Route Selection (ARS) in addition to personal
lines — that is, direct facility terminations (DFTs) on line buttons. The
Hybrid/PBX mode also provides a single interface to users for both
internal and external calling.
I/O input/output
Inspect screen
A display screen on MLX telephones that allows users to preview
incoming calls and see a list of the features programmed on line
buttons.
Integrated Solution Ill (IS-III)
One or more UNIX-system-based applications for improving voice
and data communications and automating office operations.
Integrated Voice Power Automated Attendant
An IS-III application that automatically answers incoming calls with a
recorded announcement and directs callers to a department, an
extension, or the system operator.
A device, accessed by inserting a plug, that is used to terminate the
jack
permanent wiring of a circuit.
kilobits per second
kbps
Key A mode of operation in which the communications system uses direct
facility terminations (DFTs) on line buttons with a separate path for
internal calling.
LED (light-emitting diode)
A semiconductor device that produces light when voltage is applied.
LEDs show the operational status of hardware components, the
results of maintenance tests, the alarm status of circuit packs, and the
activation of telephone features.
module
A module in the control unit provides the capability to connect central
office lines/trunks and/or telephones to the system.
GL-4
Glossary