| P&L |
Profit and Loss
|
| P1dB |
1dB Compression Point, A figure-of-merit for output power
|
| P2MP |
Point to Multipoint
|
| P2P |
Point to Point
|
| PA |
Power Amplifier
|
| PABX |
Private Automatic Branch Exchange
|
| PACA |
Priority Access Channel Assignment
|
| PACS |
Picture Archiving Communications System
|
| PAD |
Program Associated Data
|
| PAE |
Power Added Efficiency
|
| PAL |
Phase Alternate Line
|
| PAM |
Presence and Availability Management [Forum} OR Pulse Amplitude Modulation
|
| PAMS |
Perceptual Analysis Measurement System
|
| PAN |
Personal Area Network
|
| PANS |
Pretty Amazing New Services
|
| PAPR |
Peak to Average Power Ratio
|
| PAR |
Peak-to-Average Ratio
|
| PAR |
Peak-to-Average Power Ratio
|
| PARC |
Per Antenna Rate Control
|
| PB |
Private Branch Exchange
|
| PBN |
Point-To-Point-Based Network OR Policy-Based Networking
|
| PBX |
Private Branch Exchange
|
| PC |
Personal Computer
|
| PCB |
Printed Circuit Board
|
| PCDE |
Peak Code Domain Error
|
| PCF |
Physical Control Field
|
| PCI |
Peripheral Component Interconnect
|
| PCM |
Pulse Code Modulation
|
| PCM |
Phase Change Materials
|
| PCMCIA |
Personal Computer Memory Card Interface Association – now referred to as PC card
|
| PCN |
Personal Communications Network
|
| PCR |
Program Clock Reference OR Peak Cell Rate
|
| PCS |
Personal Communications Systems
|
| PCU |
Packet Control Unit
|
| PDA |
Personal Digital Assistant
|
| PDC |
Personal Digital Cellular
|
| PDD |
Post-Dial Delay
|
| PDE |
Position Determination Equipment
|
| PDG |
Packet Data Gateway
|
| PDH |
Plesiochronous Digital Hierarchy
|
| PDL |
Polarization Dependent Loss
|
| PDN |
Public Data Network
|
| PDP |
Policy Decision Point
|
| PDSN |
Packet Data Serving Node
|
| PDU |
Protocol Data Unit
|
| PE |
Provider Edge
|
| PECL |
Positive Emitter-Coupled Logic
|
| PEQ |
Perceptual Evaluation of Speech Quality
|
| PERL |
Practical Extraction and Report Language
|
| PESQ |
Perceptual Evaluation of Speech Quality
|