Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 706

Glossary
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external systems to allow functions such as billing, service orders, and service level agreement
(SLA) management.
Network Equipment Building System requirements (NEBS)
Developed by Telcordia, standards that vendors must adhere to if they want to sell equipment to
the Regional Bell Operating Companies (RBOCs) and the Competitive Local Exchange Carriers
(CLECs).
network services
Services that the network provider creates only as infrastructure to support user services. For
example, a VPN network service is used to implement an Ethernet service.
network time protocol (NTP)
Internet protocol used to synchronize time between network equipment.
NMS
See "Network Element Management System" (p. GL-17)
node
A node (or network element) is a set of one or more 1830 PSS-36/PSS-32/PSS-16/PSS-4 shelves
that are viewed as a single entity by the Network Management System. A node can be any of the
following:
•
up to two single optical shelves
•
a single electrical shelf
•
a single electrical shelf and one or more optical shelves
non-service affecting (NSA)
Refers to a condition that does not impact or interfere with network service.
NSA
See "non-service affecting" (p. GL-18)
NTP
See "network time protocol" (p. GL-18)
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O OA
See "optical amplifier" (p. GL-19)
OAMP
Operations, Administration, Maintenance, and Provisioning.
OC-n
See "optical carrier level-n" (p. GL-19)
Occupational Safety and Health Administration) (OSHA)
OSHA is the main American federal agency charged with the enforcement of safety and health
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GL-18
for definition.
for definition.
for definition.
for definition.
for definition.
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011