Specifications

No.
1505982
HUGHES PROPRIETARY
Rev.
C
Sheet 11 of 28
Form E75a Hughes Network Systems, LLC
1.4 TERMS, ABBREVIATIONS, ACRONYMS, AND DEFINITIONS
Table 1-4: Terms, Abbreviations, Acronyms, and Definitions
Terms /
Acronym
Definition/Descriptions
ACU
Antenna Control Unit
AFR
Annualized Failure Rate
CFE
Customer Furnished Equipment
COTS
Commercial Off-the-Shelf
Cpk
Process Capability index. Cpk of at least 1.33 is desired.
CPL
Critical Part List
CW
Continuous Wave
dB
Decibel: a logarithmic unit that expresses the ratio of two values of a physical quantity,
often power or intensity.
dB/K
Decibel/kelvin
dBc/dBC
Decibels relative to Carrier Power
dBm
Decibel-milliwatt: an abbreviation for the power ratio in decibels (dB) of the measured power
referenced to one milliwatt (mW)
dBW
Decibel-Watt: an abbreviation for the power ratio in decibels (dB) of the measured power
referenced to one watt (W)
DOA
Dead on Arrival
DPMO
Defects per Million Opportunities
DVB-S2
Digital Video Broadcasting - Satellite - Second Generation (DVB-S2)
EIA
Electronic Industries Association – A standards body
EIRP
Equivalent Isotropically Radiated Power.
EMS
Element Management Subsystem
FRU
Field Replaceable Unit
GaAs
Gallium Arsenide
GaN
Gallium Nitride
G/T
Gain and Temperature Ratio
GN
Ground Network
GUI
Graphical User Interface
GW
Gateway
HNS
Hughes Network Systems, LLC
Hz
Hertz.
I/O
Input/Output
IF
Intermediate Frequency
IP
Internet Protocol
ITU
International Telecommunication Union - http://www.itu.int/en/pages/default.aspx