
MMF
Multi-Mode Fiber
MS
Multiplexer Section
ms
Millisecond
MS-SPRing (Multiplexer Section Shared Protection Ring)
A protection method used in Add/Drop Multiplexer Network Elements.
MSP (Multiplexer Section Protection)
Provides a capability for switching a signal from a working section to a protection
section.
.................................................................................................................................................................................................................................
N
N/A
Not Applicable
Navis
®
Optical NMS
Optical Network Management System
NE (Network Element)
A node in a telecommunication network that supports network transport services and is
directly manageable by a management system.
NEBS
Network Equipment-Building System requirements, U.S. Telecom Requirements dealing
with EMC/EMI, Environmental, Electrical safety.
nm
Nanometer (10
–9
meters)
Node
A network element in a ring or, more generally, in any type of network. In a network
element supporting interfaces to more than one ring, node refers to an interface that is in
a particular ring. Node is also defined as all equipment that is controlled by one system
controller. A node is not always directly manageable by a management system.
NSAP Address (Network Service Access Point Address)
Network Service Access Point Address (used in the OSI network layer 3). An
automatically assigned number that uniquely identifies a Network Element for the
purposes of routing DCC messages.
Glossary
.................................................................................................................................................................................................................................
365-374-187
Issue 1, December 2005
Lucent Technologies - Proprietary
See notice on first page
GL-7