| PTE |
Path Terminating Equipment
|
| PTFE |
PolyTetraFluoroEthylene
|
| PTN |
Personal Telecommunications Number Service
|
| PTP |
Point-To-Point
|
| PTT |
Post Telephone and Telegraph Administration
|
| PUC |
Public Utility Commission
|
| pv-bands |
Process variability bands
|
| PVC |
Permanent Virtual Circuit
|
| PVM |
Parallel Virtual Machine
|
| PVN |
Private Virtual Network
|
| PVT |
Process/Voltage/Temperature
|
| PWB |
Printed Wiring Board
|
| PWE3 |
Pseudo Wire Emulation Edge to Edge
|
| PWS |
Planning Workstation
|
| PXC |
Photonic Cross-Connect
|
| PXI |
PCI Extension for Instrumentation
|
| Q |
Quadrature
|
| Q Factor |
For a capacitor, inductor or tuned circuit, the Q factor, or Q, is a figure of merit. The higher the Q, the lower the loss and the more efficient the component
|
| Q-Factor |
Qualicy factor, referring to filters
|
| QAM |
Quadrature Amplitude Modulation
|
| QFN |
Quad Flat No Leads
|
| QFP |
Quad Flat Pack
|
| QOE |
Quality Of Experience
|
| QoS |
Quality of Service
|
| QPSK |
Quadrature Phase Shift Keying
|
| QSDG |
QoS Development Group
|
| R&D |
Research & Development
|
| R&TTE |
Radio and Telecommunications Terminal Equipment (Directive)
|
| Radar |
Radio Detection and Ranging
|
| Radius |
Remote Authentication Dial-in User Service
|
| RADSL |
Rate-Adaptive DSL
|
| RAM |
Random Access Memory OR Remote Access Multiplexer
|
| RAMS |
Reliable, Available, Maintainable and Safe
|
| RAN |
Radio Access Network OR Regional-Area Network
|
| RAP |
Resource Allocation Protocol
|
| RAS |
Remote Access Server
|
| RBB |
Received Block Bitmap
|
| RBOC |
Regional Bell Operating Company
|
| RCE |
Relative Constellation Error
|
| RCP |
Remote Call Procedure
|
| RCU |
Remote Control Unit
|
| RDBMS |
Relational Database Management System
|
| RDC |
Regional Distribution Center
|
| RDSLAM |
Remote DSLAM
|
| RDSTMC |
Radio Data System Traffic Message Channel
|
| REL |
Release
|
| RET |
Remote Electrical Tilt
|
| RF |
Radio Frequency
|
| RFC |
Request For Comment
|
| RFD |
Reduced Function Device
|