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
|