
18
Glossary
262
18 Glossary
ARP
Address Resolution Protocol
NLOS
non-Line-of-Sight
ARQ
Automatic Repeat reQuest
ODU
Outdoor Unit
BPSK
Binary Phase Shift Keying
OFDM
DC
Direct Current
Orthogonal Frequency Division
Multiplex
DFS
Dynamic Frequency Selection
PC
IBM Compatible Personal
Computer
ETSI
European Telecommunications
PIDU
Plus
Power Indoor Unit Plus
Standards Institute
PING
Packet Internet Groper
FAQ
Frequently Asked Question
POE
Power over Ethernet
GPS
Global Positioning System
PSU
Power Supply Unit
HP
Hypertext Transfer Protocol
PTP
Point-to-Point
ID
Identity
QAM
Quadrature Amplitude
Modulation
IEEE
Institute of Electrical and
Electronic Engineers
RAM
Random Access Memory
IP
Internet Protocol
STC
Space Time Coding
IQ
In phase / Quadrature
STP
Shielded Twisted Pair
ISM
Industrial Scientific and Medical
TCP
Transmission Control Protocol
ITU
International
Telecommunications Union
TPC
Transmit Power Control
LAN
Local Area Network
URL
Universal Resource Location
MAC
Medium Access Control Layer
USA
United States of America
MDI
Medium Dependent Interface
UTP
Unshielded Twisted Pair
MDIX
Medium Dependent Interface
Crossover
UV
Ultraviolet
VLAN
Virtual Local Area Network
4Gon www.4Gon.co.uk [email protected] Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299