Lucent Technologies FT-2000 OC-48 - Page 898

Glossary
GL-12 Issue 8.0 July 2002
M
µm
Micrometer — 10
-6
meters
Menu
A set of possible values for a parameter.
Midspan Meet
The capability to interface between two lightwave terminals of different vendors. This applies to
high speed optical interfaces.
MJ
Major (alarm).
MML
Human-Machine Language.
MN
Minor (alarm).
Multiplexing
The process of combining several distinct digital signals into a single composite digital signal.
N
NCDRH
National Center for Devices and Radiological Health.
NE
Network Element — Refers to an FT-2000 OC-48 Repeater Bay or FT-2000 OC-48 Add/Drop-Rings
Terminal in a network.
NE ACTY
Near-End Activity — An LED on the user panel that is lighted when an alarm or status condition
exists at the local FT-2000 ^OC-48 Repeater Bay or FT-2000 OC-48 Add/Drop-Rings Terminal.
NEBS
Network Equipment-Building System.
NID
Node Identifier — A unique number from 0 to 15 used to identify an FT-2000 OC-48 Add/
Drop-Rings Terminal in a bidirectional ring application. In Release 6 and later releases, the NID is
automatically provisioned.
nm
Nanometer — 10
-9
meters.
NMA
Network Monitoring and Analysis System — Bellcore's alarm surveillance operations system.