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List of terms
logical processor type (LPT)
Defines the characteristics of an LP. The LPT specifies which software needs to be loaded and provides some processor engineering parameters.
long loop
The ABR VS/VD scenario where FRM cells transit the node to the egress FP before the node turns them around to become BRM cells.
LOS
See loss of signal (LOS) (page 77).
loss of delay synchronization (LODS)
When the delay on a physical link changes such that it exceeds the maximum differential delay specified for the IMA link group, the link is considered to have lost its delay synchronization. That is, the link has experienced a loss of delay synchronization (LODS), and is deactivated from the link group.
loss of frame (LOF)
This failure condition is declared after severely errored frame (SEF) defects have been detected for at least two seconds for a DS1, DS3, E1, or E3.
loss of IMA frame (LIF)
A failure condition in which IMA framing is lost on a link that is part of an IMA link group.
loss of signal (LOS)
For DS1, DS3, E1, and E3, this event is detected at a line interface when
Low-delay code excited linear prediction (LD-CELP)
A 16 kbit/s compression algorithm used to encode voice data, based on
low-entry networking (LEN) node
In Systems Network Architecture (SNA), a physical unit type 2.1 with a control processor does not communicate with other nodes. LEN nodes support logical unit protocols.
lowest level node
A leaf in the PNNI routing hierarchy. A lowest level node is an abstraction that represents a single instance of the PNNI routing protocol. Lowest level nodes are created in a switching system through provisioning and are not created dynamically.
Nortel Multiservice Switch 7400/15000/20000
Terminology
PCR7.2 and up March 2006
Copyright © 2006, Nortel | Nortel Confidential |
