Alcatel-Lucent 1643 AMS Operation Manual page 367

Glossary
NRZ
Non-Return to Zero
NSA
Non-Service Affecting
NTU
Network Termination Unit
NUT
Non pre-emptible Unprotected Traffic
NVM
Non-Volatile Memory
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O OA
Optical Amplifier
OAA case tools
A software package/tool to aid the process of requirements, analysis, design, and
implementation of object orientated systems.
OAM&P
Operations, Administration, Maintenance, and Provisioning
OC-n
Optical Carrier, Level n
ODF
Optical Distribution Frame
ODU
Optical Demultiplexer Unit
OFS
Out of Frame Second
OI
Optical Interface
OMU
Optical Multiplexer Unit
ON
Operations Network
OOF
Out Of Frame
OOS
Out Of Service
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365-312-803R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
GL-21