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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Glossary and Abbreviations
Page GL-29
IXC
Interexchange carrier code
K
kHz
Kilohertz
kbps
Kilobits per second
kbyte
Kilobyte
kg
Kilogram
L
LAN
Local area network
LAP-D
Link Access Procedure on the D-channel
LAPD
Link Access Procedure data
LATA
Local access and transport area
lb
Pound
LBO
Line buildout
LDN
Listed directory number
LDS
Long-distance service
LEC
Local exchange carrier
LED
See light-emitting diode (LED)
.
light-emitting diode (LED)
A semiconductor device that produces light when voltage is applied. LEDs provide a visual
indication of the operational status of hardware components, the results of maintenance tests, the
alarm status of circuit packs, and the activation of telephone features.