Alcatel-Lucent 1643 AMS Installation Manual page 270

Glossary
Line
Transmission line; refers to a transmission medium, together with the associated high
speed equipment, that are required transport information between two consecutive
network elements, one of which originates the line signal and the other terminates the
line signal.
Line Build Out (LBO)
An optical attenuator that guarantees the proper signal level and shape at the receiver
input.
LTU
Line Termination Unit.
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M Manager
Capable of issuing network management operations and receiving events. The Manager
communicates with the Agent in the controlled network element.
MDI
Miscellaneous Discrete Input
MDO
Miscellaneous Discrete Output
MIB
The Management Information Base is the database in the node. The MIB contains the
configuration data of the node. A copy of each MIB is available in the EMS and is
called the MIB image. Under normal circumstances, the MIB and MIB image of one
node are synchronized.
MSP
Multiplex Section Protection. Provides capability of switching a signal from a working
to a protection section.
MTBF
Mean Time Between Failures
Multiplexer Section Protection (MSP)
Provides capability of switching a signal from a working to a protection section.
Multiplexer Section Shared Protection Ring (MS-SPRING)
A protection method used in multiplex line systems.
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N NE
Network Element. The NE is comprised of telecommunication equipment (or
groups/parts of telecommunication equipment) and support equipment that performs
network element functions. A Network Element has one or more standard Q-type
interfaces.
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GL-4 Alcatel-Lucent - Proprietary
See notice on first page
365-312-802R7.2
Issue 4, June 2007