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List of terms
non-real time variable bit rate (NRT-VBR)
A QOS class that defines the throughput connection history as bursty with an expected low cell loss ratio (CLR) for transmitted cells.
non-operational card
A processor card that cannot provide service. The card can be absent, unprovisioned, locked, or has not yet finished loading its software.
non-switched voice
1A Nortel Multiservice Switch 7400 node feature in which narrowband traffic between TDM nodes is transported transparently over an ATM network.
2See also switched voice (page 131).
Nortel Multiservice Data Manager
In general, a system that helps to control, provision, and monitor the Nortel Multiservice Switch network. In Nortel Networks documents, this term most often refers to Multiservice Data Manager, Nortel Networks’s proprietary network management system.
Nortel Multiservice Data Manager software
A network management software system for controlling, provisioning, and monitoring DPN and Nortel Multiservice Switch networks. It consists of a set of applications supported by a common user interface running on a UNIX operating system. Multiservice Data Manager uses a commercially available hardware platform, such as a Sun SPARC station.
NPI
See
NRP
See
nrtVBR
See
NSAP address
See network service access point address (page 88).
NscNull
A Network Systems Corporation (NSC) proprietary encapsulation method that supports IP traffic over permanent virtual circuits (PVC).
Nortel Multiservice Switch 7400/15000/20000
Terminology
PCR7.2 and up March 2006
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