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List of terms
LIF
See loss of IMA frame (LIF) (page 77).
line
1A dedicated private or leased facility that connects user equipment to the Nortel Multiservice Switch network. A line can be a link.
2In SONET, a part of a connection between
3In SDH, a part of a connection between
line automatic protection switching (APS)
1Automatic protection switching applied to SONET and SDH lines. Sometimes called linear APS in some specifications, such as Telcordia
2See automatic protection switching (APS) (page 15)
line sparing
See automatic protection switching (APS) (page 15).
link
1A channel or path between network entities that includes the connection and the interface devices.
2A component model data type used to relate
link access procedure on frame relay (LAPF)
The data link layer protocol that has been defined for
link access procedure on the D-channel (LAPD)
The data link layer protocol that has been defined for
link aggregation (LAG)
Logical grouping of multiple Ethernet links.
link aggregation control protocol (LACP)
This protocol is used to exchange LAG information between two nodes.
link controller (LC)
The integrated circuit (ASIC) that provides a serial data interface into the Nortel Multiservice Switch node.
Nortel Multiservice Switch 7400/15000/20000
Terminology
PCR7.2 and up March 2006
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