Lucent Technologies LambdaUnite Installation Manual page 335

KFA XX
Apparatus code of circuit packs
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L LambdaUnite OLS 1.6T (400G/800G)
LambdaUnite Optical Line System 1.6 Terabit/s (400Gbit/s/800Gbit/s)
LAN (Local Area Network)
A communications network that covers a limited geographic area, is privately owned and user
administered, is mostly used for internal transfer of information within a business, is normally
contained within a single building or adjacent group of buildings, and transmits data at a very
rapid speed.
LAPD (Link Access Procedure D-bytes)
Protocol used on Data Link Layer (OSI layer two) according to ITU-T Q.921.
LBC
Laser Bias Current
LBFC
Laser Backface Currents
LBO (Lightguide Build-Out )
An attenuating (signal-reducing) element used to keep an optical output signal strength within
desired limits.
LCN
Local Communications Network
LCS
Local Customer Support
LED
Light-Emitting Diode
LH
Long Haul
Line
A transmission medium, together with the associated equipment, required to provide the means
of transporting information between two consecutive network elements. One network element
originates the line signal; the other terminates it.
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365-374-059
Issue a, January 2002
Lucent Technologies G L O S S A R Y
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