NORTHROP GRUMMAN Park Air T6-RV, User Documentation

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T6-D-USER-RV-EN Page xii
© Park Air Systems Limited 2017
Glossary of abbreviations, acronyms and technical terms
A Ampere
AC alternating current
ACARS aircraft communications addressing and reporting system
Active The radio is operationally active (IP RRC terminology)
AGC automatic gain control
ALC automatic level control
AM amplitude modulation
ATC air traffic control
ATM air traffic management
baud symbol rate or modulation rate in symbols per second or pulses per second
BIT built-in-test
co-location Refers to radios densely sited in space and/or frequency
CPLD complex programmable logic device
dB decibel
dBm dB relative to 1 mW
dBr dB relative to a specified level
DC direct current
ED-137 Interoperability standards for VoIP ATM components
ESD electrostatic sensitive device
Ethernet Computer network technologies
E1 E-carrier system frame structure (ITU-T adopted)
E-BIT external bit signal
GPS Global Positioning System
HDB3 coding High density bipolar of order 3 used in European E-carrier system
HMI Human Machine Interface
HTTPS Hypertext transfer protocol within a connection encrypted by transport layer security (TLS)
Hz Hertz
ICAO International Civil Aviation Organization
IEC International Electrotechnical Commission
Inactive The radio is operationally inactive (IP RRC terminology)
Inhibit(ed) Radio is prevented from transmitting and/or receiving by the user
IP Internet Protocol
ITU-T International Telecommunication Union - Telecommunications Standardisation Sector
kg kilogram
LAN local area network
LED light emitting diode
m metre
MAC media access control
Main/standby The radio is operationally main or standby (analogue radio control terminology)
MARC multi access remote control
Mbits megabits
Mute Function which silences transmit audio that is below a set level