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Glossary
Issue 1
December 1997
GL-15
Operations Interface
Any interface that provides information on the system performance or control. These
include the equipment LEDs, user panel, CIT, office alarms, and all telemetry interfaces.
OPS/INE
Operations System/Intelligent Network Element
OS
Operations System — A central computer-based system used to provide operations,
administration, and maintenance functions.
OS-GNE
Operations System - Gateway Network Element
OSI
Open Systems Interconnection — Referring to the OSI reference model, a logical
structure for network operations standardized by the International Standards
Organization (ISO).
OSGNE
Operations System Gateway Network Element — An OSGNE serves as a single interface
to the OS for NEs in the same subnetwork using X.25 interfaces.
OSMINE
Operations Systems Modifications for the Integration of Network Elements.
OSP
Outside Plant
P
Pass Through
Paths that are cross-connected directly across an intermediate node in a ring network.
P-bit
Performance Bit
PC
Personal Computer
PCU
Power Conversion Unit
PID
Program Identification
PINFET
Positive Intrinsic Negative Field Effect Transistor
PJC
Pointer Justification Count