Alcatel-Lucent 1643 AMS User's Operation Manual page 694

Access multiplexer and access multiplexer small (formerly metropolis am and metropolis ams) release 1.0 through 7.2
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Glossary
ITU-R
International Telecommunications Union - Radio standardization sector. Formerly known
as CCIR: Comité Consultatif International Radio; International Radio Consultative
Committee.
ITU-T
International Telecommunications Union - Telecommunication standardization sector.
Formerly known as CCITT: Comité Consultatif International Télégraphique &
Téléphonique; International Telegraph and Telephone Consultative Committee.
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J
Jitter
Short term variations of amplitude and frequency components of a digital signal from
their ideal position in time.
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L
LAN
Local Area Network
LBA
Lightwave Booster Amplifier.
LBO
Line Build Out - An optical attenuator that guarantees the proper signal level and shape
at the receiver input.
LCAS
Link Capacity Adjustment Scheme
LCN
Local Communications Network
LDI
Linear Drop/Insert (Add-Drop)
LED
Light Emitting Diode
LEN
Local Exchange Node
LF
Low Frequency
LH
Long Haul
License key
An encrypted code that is required to enable the use of specific modules in the ITM-SC.
Valid license keys can be obtained from your provider.
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GL-14
Alcatel-Lucent - Proprietary
See notice on first page
365-312-807R7.2
Issue 4, May 2007

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