AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 273

Glossary
IROB
IS II/III
jack
kbps
Key mode
LAN
LED
line and trunk
assignment
line coding
line
compensation
line/trunk and
station module
local area
network
local host
computer
access
logical ID
(in-Range Out-of-Building protector) A surge protection
device for off-premises telephones at a location within 1000
feet (305 meters) of cable distance from the
communications system control unit.
(Integrated Solution II/III) A UNIX-based platform of
applications for improving voice and data communications
and automating office operations.
A device, accessed by inserting a plug, that is used to
terminate the permanent wiring of a circuit.
Kilobits per second
A mode of operation in which the communications system
uses direct facility terminations on line buttons with a
separate path for internal calling.
(Local area network) A networking arrangement designed
for a limited geographical area.
(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.
The assignment of lines and trunks connected to the
communications system control unit to specific buttons on
each telephone.
The pattern data assumes as it is transmitted over a
communications channel,
An adjustment for the amount of cable loss in decibels
(dBs), based on the length of cable between a DS1 module
and a Channel Service Unit (CSU) or other far-end
connection point.
A module on which the jacks for connecting central office
(CO) lines/trunks and/or the jacks for connecting the
stations are located.
See LAN.
A method for connecting a station jack to an on-site
computer for data-only calls through a modem or data
module.
A numbering sequence used to identify station and
line/trunk locations on the communications system control
unit.
Glossary GL-11