AT&T MERLIN LEGEND Release 3.0 System Programming And Maintenance Manual page 111

Glossary
K
kbps
Key mode
L
LDN
LED
line
line and trunk
assignment
line coding
line compensation
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 (lCOM buttons) for internal calling. See
also Behind Switch mode and Hybrid/PBX
mode.
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.
Assignment of lines and trunks connected to
the system control unit to specific buttons on
each telephone.
Pattern that data assumes as it is transmitted
over a communications channel.
Adjustment for the amount of cable loss in
decibels (dB), based on the length of cable
between a 100D module and a channel service
unit (CSU) or other far-end connection point.
System Programming and Maintenance (SPM) GL-21