Acronym
|
Description
|
|
P |
Profile dispersion parameter |
|
P(RRIMA) |
Probability of a Reliability Related Ineffective
Machine Attempt |
|
P.L. |
Public Law |
|
P/AR |
Peak to Average Ratio |
|
P/M |
Price/Multiple |
|
P3 |
Primavera Project Planner |
|
PA |
Product Assurance |
|
PABX |
Private Automatic Branch Exchange |
|
PACE |
Program for Arrangement of Cables and Equipment |
|
PAD |
Packet Assembler/Disassembler |
|
PAF |
Personnel
Action Form (HR) |
|
PAL |
Phase Alternation by Line |
|
PAL |
Programmable Array Logic |
|
PAL |
Purpose,
Agenda, Limit |
|
PAM |
Pulse Amplitude Modulation |
|
PAMA |
Pulse Address Multiple Access |
|
PAMS |
Plant Assignment Management System |
|
PAMS |
Preselected Alternate Master Slave |
|
PAQS |
Provisioning and Quotation System |
|
PAR |
Peak to Average Ratio |
|
PAR |
Personalized Address Response (VMX system) |
|
PARB |
Problem Assistance and Reports Branch |
|
PARIS |
Personalized Audio Routing and Information System |
|
PAT |
Precedence Access Threshold |
|
PATX |
Private Automatic Telex Exchange |
|
PAX |
Private Automatic Exchange |
|
PBH |
Peak Busy Hour |
|
PBHC |
Peak Busy Hour Call |
|
PBS |
Public Building Service |
|
PBT |
Piggyback twister |
|
PBX |
Private Branch Exchange |
|
PC |
Peg Count |
|
PC |
Peripheral Control subsystem |
|
PC |
Peripheral Control(ler) |
|
PC |
Personal Computer |
|
PC |
Phase Corrector |
|
PC |
Primary center |
|
PC |
Process Check |
|
PCA |
Protective Connecting Arrangement |
|
PCB |
Polychlorinated biphenyls |
|
PCB |
Printed Circuit Board |
|
PCB |
Printed
Circuit Board (MFG) |
|
PCB |
Process Control Block |
|
PCBX |
Private Computerized Branch Exchange |
|
PCC (or PCCA) |
Processor Control Cabinet |
|
PCDU |
Power
Control and Distribution Unit |
|
PCFD |
Power Distribution |
|
PCI |
Panel Call Indicator (pulsing) |
|
PCI |
Panel Control Indicator |
|
PCI |
Protocol Computers, Inc. |
|
PCID |
Power Control, Interface, and Display |
|
PCM |
Plug Compatible Mainframe |
|
PCM |
Pulse Code Modulation |
|
PCN |
Project
Completion Notice |
|
PCP |
Principal Circuit Pack |
|
PCP |
Printed Circuit Pack |
|
PCS |
Plastic Clad Silica |
|
PCSR |
Parallel Channels Signaling Rate |
|
PCSS |
Process
Control Support Systems (IPF) |
|
PCTCOC |
Pentagon Consolidated Telecommunications Center
Operation Center |
|
PCU |
Packet Control Unit |
|
PD |
Partial Dial |
|
PD |
Post Distributing Frame Circuit |
|
PD |
Program Description |
|
PD |
Pulse-Dial |
|
PDA |
Parameter
Data Area |
|
PDC |
Power Distribution Center |
|
P-D-C-A |
Plan-Do-Check-Act |
|
PDE |
Partial Differential Equation |
|
PDF |
Personal
Data Form (HR) |
|
PDG |
Project
Development Guide |
|
PDIT |
Prefix/feature Digit Interpreter Table |
|
PDL |
Page Description Language |
|
PDLs |
Patent Depository Libraries |
|
PDM |
Product
Development Manager |
|
PDM |
Pulse Duration Modulation |
|
PDN |
Public Data Network |
|
PDP |
Programmed Data Processor |
|
PDP |
Project
Development Process |
|
PDR |
Planned
Deviation Request (MFG) |
|
PDRB |
Product
Development Review Board |
|
PDS |
Premises Distribution System |
|
PDS |
Program Documentation Standard |
|
PDS |
Protected Distribution System |
|
PDSC |
Packet Data Service Center |
|
PDT |
Programmable Data Terminal |
|
PDU |
Protocol Data Unit |
|
PEC |
Planning
Engineering Construction |
|
PECC |
Product Engineering Control Center |
|
PEL |
Plant
Engineering Letter |
|
PERPH |
Peripherals |
|
PERT |
Program Evaluation and Review Technique |
|
PF |
Program Flowchart |
|
PFA |
Private Facility Access |
|
PFS |
Party Fully Selective |
|
PG |
Program Document Index |
|
PGM |
Program |
|
PGS |
Pair Gain System |
|
PGTC |
Pair Gain Test Controller |
|
PH |
Packet Handler |
|
PH |
Protocol Handler |
|
PHS |
Public Health Service |
|
PI |
Packet Interface |
|
PIAR |
Post
Installation Analysis Report |
|
PIAR |
Post
Installation Audit Report (IS) |
|
PIC |
Peripheral Interface Cabinet |
|
PIC |
Peripheral Interface Controller |
|
PIC |
Primary Interexchange Carrier |
|
PIC cable |
Polyethylene Insulated Cable |
|
PIC2 |
Peripheral Interface Controller - Model 2 |
|
PICB |
Peripheral Interface Control Bus |
|
PICS |
Plug-in Inventory Control System |
|
PIDB |
Peripheral Interface Data Bus |
|
Pident |
Program identification |
|
PIN |
Personal Identification Number |
|
PIN |
Personal
Identification Number |
|
PIN |
Positive Intrinsic Negative |
|
PIR |
PTAT-1
Incident Report |
|
PITAP |
PDN-Integrated T1 Access Partitioning |
|
PIU |
Path Information Unit |
|
PIU |
Percent
of Interstate Usage |
|
PIU |
Peripheral Interface Unit |
|
Pixel |
Picture Element |
|
PL |
Private Line |
|
PL |
Private
Line |
|
PL/1 |
Programming Language 1 |
|
PLA |
Programmable Logic Array |
|
PLAMS |
Private
Line Alarm Monitoring System |
|
PLATO |
Programmed Logic for Automatic Teaching Operation |
|
PLBS |
Private
Line Billing System |
|
PLCP |
Physical Layer Convergence Protocol |
|
PLL |
Permanent Logical Link |
|
PLL |
Phase Locked Loop |
|
PLM |
Private
Line Model |
|
PLM |
Project
Logical Model (IS) |
|
PLN |
Private Line Network |
|
PLOL |
Peak Largest Output Level |
|
PLP |
Plug Up |
|
PLR |
Pulse Loop Repeater |
|
PLS |
Premises Lightwave System |
|
PLS |
Private
Line Service (NOCC) |
|
PLSC |
Private Line Service Center |
|
PLSC |
Private
Line Service Center (NOCC) |
|
PLSD |
Private
Line Service Development (NOCC) |
|
PM |
Performance
Monitoring |
|
PM |
Peripheral Module |
|
PM |
Peripheral Module |
|
PM |
Phase Modulation |
|
PM |
Preventive Maintenance |
|
PM |
Proposal Manager |
|
PM |
Provisioning Manager |
|
PMA |
Primary Multiplex Analyzer |
|
PMBX |
Private Manual Branch Exchange |
|
PMEA |
Program
Management Engineering Administration |
|
PMF |
Process
& Methods Facilitator |
|
PMG |
Production
Management Recovery Group |
|
PM-MS |
Performance
Monitoring Management System |
|
PMO |
Program Manager's Office |
|
PMOS |
Positive Metal-Oxide Semiconductor |
|
PMS |
Phone Meeting Service |
|
PMS |
Processor-Memory-Switch |
|
PMS |
Program
Management System |
|
PMS |
Project
Management System |
|
PMS |
Prospect
Management System |
|
PMS |
Public Message Service (telegrams) |
|
PMSC |
Property Management Service Center |
|
PMU |
Precision Measurement Unit |
|
PMU |
Product
Marketing Unit |
|
PMX |
Private Message Exchange |
|
PNC |
Private Network Code |
|
PND |
Present Next Digit |
|
PNI |
Private Network Interface |
|
PNID |
Precedence Network Inward Dialing |
|
PNO |
Prefix Network Resource Selector Outbound |
|
PNOD |
Precedence Network Outward Dialing |
|
PO |
Purchase
Order |
|
POB |
Peripheral Order Buffer |
|
POC |
Purchase Option Credit |
|
POF |
Pending Order File |
|
POI |
Point of Interface |
|
POL |
Procedure-Oriented Language (or Problem-Oriented
Language) |
|
POP |
Performance Oriented Practices (Northern Telecom
Inc.) |
|
POP |
Point of Presence |
|
POR |
Plan of Reorganization |
|
PORTS |
Portable Recovery Test Set |
|
POS |
Point of Sale |
|
POS |
Point of Service |
|
POSIX |
Portable Operating System Interacting Executive |
|
POT |
Point of Termination |
|
POTS |
Plain Ordinary Telephone Service (or Plain Old
Telephone Service) |
|
POTS |
Purchase of Telephone and Services (contract) |
|
PP |
Peripheral Processor |
|
PP |
Precedence and Preemption |
|
PP&I |
Product
Planning & Implementation |
|
PPA |
Planning Project Authorization |
|
PPA |
Planning
Project Authorization |
|
PPA |
Promotional
Pricing Arrangement |
|
PPC |
Pump Peripheral Controllers |
|
PPD |
Prompt Payment Discount |
|
P-Phone |
Proprietary telephone (also Proprietary set)
(Usage: P-2009 set, P-2112 set, P-2018 set, and P-36 Add-on Module) |
|
PPL |
Polymorphic Programming Language |
|
PPM |
Principal Period of Maintenance |
|
PPM |
Pulse-Position Modulation |
|
PPP |
Point to Point Protocol |
|
PPS |
Packets per Second |
|
PPS |
Pulses per Second |
|
PPSN |
Public Packet Switching (or Switched) Network |
|
PR |
Program Record |
|
PR |
Purchase
Requisition |
|
PRA |
Prorated Adjustment |
|
PRB |
Package
Ready Billing |
|
PRBS |
Psuedo-Random Binary Sequence |
|
PRC |
Postal Rate Commission |
|
PRD |
Problem Resolution Desk |
|
PRE |
Protective Reservation Equipment (Northern Telecom
Inc. DMS-200) |
|
PRE-IS |
Pre-In-Service |
|
PRF |
Pulse Repetition Frequency |
|
PRI |
Primary Rate Interface |
|
PRIMOS |
Prime Operating System |
|
PRM |
Performance Report Message |
|
PRMD |
Private Domain Name |
|
PRMD |
Private Management Domain |
|
PROC |
Processor Circuit |
|
PROM |
Programmable Read-Only Memory |
|
PROM |
Prompt Remotely Operated Memory |
|
PROMUS |
Prompt Remotely Operated Memory Updating System |
|
PROTEL |
Procedure Oriented Type Enforcing Language |
|
PRP |
Preroute Peg Count |
|
PRS |
Problem Reporting System |
|
PRTM |
Printing Response Time Monitor |
|
PS |
Permanent Signal |
|
PS |
Processing
Services |
|
PS |
Program Store |
|
PS |
Protection Switch |
|
PSA |
Pushdown Stack Automaton |
|
PSC |
Packet Switched Cluster |
|
PSC |
Public Service Commission |
|
PSD |
Packet-Switched Data |
|
PSD |
Port Sharing Device |
|
PSDS |
Public Switched Digital Service |
|
PSE |
Packet Switching Exchange |
|
PSI |
PBX Switching Interface |
|
PSIU |
Packet Switch Interface Unit |
|
PSK |
Phase Shift Keying |
|
PSL/PSA |
Problem Statement Language/Problem Specification
Analyzer |
|
PSM |
Power Switch Monitor |
|
PSN |
Public Switched Network |
|
PSPD |
Permanent Signal Partial Dial |
|
PSPDN |
Public Switched Packet Data Network |
|
PSS |
Packet Switching Service |
|
PSS |
Packet Switching System |
|
PSS |
Party Semi-Selective |
|
PST |
Pair-Selected Ternary |
|
PST |
Programmed Scan Testing |
|
PSTN |
Public Switched Telephone Network |
|
PSU |
Packet Switching Unit |
|
PSU |
Power Supply Unit |
|
PSUCOM |
Packet Switching Unit Common Controller |
|
PSW |
Program Status Word |
|
PTAT |
Private Transatlantic Telecommunications |
|
PTAT-1 |
Private
Transatlantic Telecommunications Cable #1 (NOCC) |
|
PTF |
Production
Testing Facility |
|
PTM |
Pulse Time Modulation |
|
PTN |
Public Telephone Network |
|
PTO |
Patents and Trademarks Office (U.S. Department of
Commerce) |
|
PTP |
Point-to-Point |
|
PTS |
Per Trunk Signaling |
|
PTS |
Public Telephone Service |
|
PTT |
Post, Telephone & Telegraph |
|
PTU |
Program Tape Unit (circuit) |
|
PTY |
Party |
|
PUC |
Peripheral Unit Controller |
|
PUC |
Public Utility Commission |
|
PUFFT |
Purdue University Fast Fortran Compiler |
|
PV |
PrimaVision (Primavera software) |
|
PVC |
Permanent Virtual Circuit |
|
PVLCC |
Present Value Life Cycle Cost |
|
PVOL |
Peak Virtual Output Level |
|
pW |
Picowatt |
|
PWM |
Pulse Width Modulation |
|
PWR |
Power |
|
PX |
Private Exchange |