Alcatel-Lucent 1643 AMS User's Operation Manual page 703

Glossary
Performance Monitoring (PM)
Measures the quality of service and identifies degrading or marginally operating systems
(before an alarm is generated).
Peripheral Control and Timing Facility Interface (PCTFI)
A proprietary physical link interface that supports the transport of 21 * 2 Mbit/s signals.
PI
Physical Interface, Plesiochronous Interface
PIR
Peak Information Rate
PJE
Pointer Justification Event
Platform
Family of equipment and software configurations that are designed to support a
particular Application.
Plesiochronous Network
A network that contains multiple subnetworks, each of which is internally synchronous
and operates at the same nominal frequency, but the timing of any of the subnetworks
may be slightly different at any particular instant.
PLL
Phase Lock Loop
PM
Performance Monitoring - Measures the quality of service and identifies degrading or
marginally operating systems (before an alarm is generated).
PMA
Performance Monitoring Application
Pointer
An indicator whose value defines the frame offset of a virtual container with respect to
the frame reference of the transport entity on which the Virtual Container is supported.
POTS
Plain Old Telephone Service
PP
Pointer Processing
PPC
Pointer Processor and Cross-connect
Primary ITM-SC
ITM-SC that is usually managing a network element. If the primary ITM-SC fails,
management of the network element is passed over to the secondary ITM-SC. A network
element should be provisioned normally on the primary ITM-SC and then be configured
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365-312-807R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
GL-23