AT&T MERLIN LEGEND Release 3.1 System Planning Manual page 364

Glossary
ISDN terminal
adapter data station
J
jack
K
kbps
Key mode
L
LAN
LDN
LED
line
line and trunk
assignment
GL–16
System Planning
A 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,
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 internal
calling. See also Behind Switch mode and Hybrid/PBX
mode.
(local area network) Arrangement of interconnected
personal computers or terminals, sometimes accessing a
host computer, and sometimes sharing resources like 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 or loop-start communications
path with CO ; often, however, used synonymously with
trunk .
Assignment of lines and trunks connected to the system
control unit to specific buttons on each telephone.