ISP
Internet Service Provider
....................................................................................................................................................................................................................................
J
Jitter
Timing jitter is defined as short-term variations of the significant instants of a digital signal
from their ideal positions in time.
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K
Kb/s
Kilobits per second
....................................................................................................................................................................................................................................
L
LAN
Local Area Network
LAPD
Link Access Procedure
″
D
″
LBC
Laser Bias Current
LBO
Lightguide Build Out
LCN
Local Communications Network
LEC
Local Exchange Carrier
LED
Light-Emitting Diode
LGX
Lightguide Cross-Connect
Light Emitting Diode (LED)
Used on a circuit pack faceplate to show failure (red) or service state. It is also used to show
the alarm and status condition of the system.
Lightguide Build-Out (LBO)
An attenuating (signal-reducing) element used to keep an optical output signal strength within
desired limits.
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365-372-333 R2.1
Issue 4, June 2005
Lucent Technologies
G L O S S A R Y
G L - 1 3