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List of terms

P-SPVC

See permanent switched permanent virtual circuit (P-SPVC) (page 100).

P-switched permanent virtual circuit (P-SPVC)

See permanent switched permanent virtual circuit (P-SPVC) (page 100).

PBX

See private branch exchange (PBX) (page 105).

PCM

See pulse code modulation (PCM) (page 109).

PCR

See peak cell rate (PCR) (page 100) or Passport Carrier Release (PCR) (page 97).

PCS

See processor control system (PCS) (page 106).

PDU

See protocol data unit (PDU) (page 107).

PDV

See packet delay variation (PDV) (page 95).

PDVT

See packet delay variation tolerance (PDVT) (page 95).

PDH

Plesiochronous Digital Hierarchy. An electrical transmission format. The precursor to SDH.

PDR

See protected default route (PDR) (page 106)

PE

See “provider edge router (PE)” (page 107).

PE’

See “Carrier’s Carrier provider edge router (PE’)” (page 24).

PEC

See product engineering code (PEC) (page 106).

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 Spvc, Pbx, Pcm, Pcr, Pcs, Pdu, Pdvt, Pdh, Pdr, Pe’, Pec