Glossary and Abbreviations
kbyte Kilobyte
kg
Kilogram
L
LAN
Local area network
LAP-D
Link Access Procedure on the
LAPD
Link Access Procedure data
LATA
Local access and transport area
lb
Pound
LBO
Line buildout
LDN
Listed directory number
LDS
LEC
Local exchange carrier
LED
See
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.
lightwave transceiver
Hardware that provides an interface to
line
A transmission path between a communications system or CO switching system and a voice terminal or other terminal.
line appearance
See appearance.
line buildout
A selectable output attenuation is generally required of DTE equipment because T1 circuits require the last span to lose
Issue 5 January 1998 |