Lucent Technologies LambdaUnite Installation Manual page 339

Mid-Span Meet
The capability to interface between two lightwave network elements of different vendors. This
applies to high-speed optical interfaces.
MIPS
Millions of Instructions Per Second
Miscellaneous Discrete Interface
Allows an operations system to control and monitor equipment collocated within a set of input
and output contact closures.
MJ (Major (alarm))
Indicates a service-affecting failure, main or unit controller failure, or power supply failure.
MM
Multi Mode
MMF
Multi-Mode Fiber
MMI
Man-Machine Interface
MML
Human-Machine Language
MN (Minor (alarm))
Indicates a non-service-affecting failure of equipment or facility.
MO
Managed Object
MS
Multiplexer Section
ms
Millisecond
MS-SPRING (Multiplexer Section Shared Protection Ring)
A protection method used in Add-Drop Multiplexer Network Elements.
MSOH (Multiplexer Section OverHead)
Part of the Section Overhead. Is accessible only at line terminals and multiplexers.
MSP (Multiplexer Section Protection)
Provides capability for switching a signal from a working to a protection section.
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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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