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List of terms

port-VLAN identifier (PVID)

The port-VLAN identifier (PVID) represents the default VLAN identifier in VLAN mode that treats untagged, priority tagged, and PVID tagged traffic. The PVID on Nortel Multiservice Switch nodes is always set to a value of 1.

port management system (PMS)

A software system that controls and monitors the physical interfaces that are supported on function processors.

power converter

Converts primary power inputs into secondary operating voltages. Power converters are available in ac and dc versions, which are not interchangeable between ac and dc Nortel Multiservice Switch device configurations. Synonymous with power supply.

power converter section

The part of the shelf assembly, located directly below the processor card section, that contains the power distribution facilities for both primary and secondary power.

power input panel

An area at the rear of the power section used to connect the power source.

PPD

See partial packet discard (PPD) (page 96).

PPI

See Passport to Passport interface (PPI) (page 97).

PQC

See Passport queue controller (PQC) (page 97).

PRI

See primary rate interface (PRI) (page 105).

primary IP address

An IP address selected from the set of real interface addresses. One possible selection algorithm is to always select the first address.

primary path

The preferred specified path for a given specified path connection.

Nortel Multiservice Switch 7400/15000/20000

Terminology

NN10600-005 7.2S1 Standard

PCR7.2 and up March 2006

Copyright © 2006, Nortel

Nortel Confidential

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Panasonic 15000 manual Ppd, Ppi, Pqc, Pri