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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
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. NRT-VBR supports
statistical multiplexing for connections, with no associated delay bounds. NRT-
VBR is designed to support non-real time applications.
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
1 A Nortel Multiservice Switch 7400 node feature in which narrowband
traffic between TDM nodes is transported transparently over an ATM
network.
2 See 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 numbering-plan indicator (NPI) (page 92).
NRP
See nailed-up relay point (NRP) (page 86).
nrtVBR
See non-real time variable bit rate (NRT-VBR) (page 91).
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).