8-1
8.
LIST OF TERMS
AC
Alternating Current
AOR-E
Atlantic Ocean Region East.
AOR-W
Atlantic Ocean Region West.
Azimuth
horizontal direction angle between north and, e.g. the direction to the
satellite.
Bit rate
the number of bits transmitted per second (bps).
Bps
Bits per second.
CHV2
higher access level on the SIM card, corresponding to FELCOM 70
"owner" level.
DC
Direct Current.
DECT
Digital Enhanced Cordless Telecommunication
DID
Destination terminal IDentification.
DSP
Digital Signal Processor.
DTE
Data Terminal Equipment.
Elevation
vertical angle to the satellite, i.e. the height of the satellite above the
horizon.
Fleet F77
Inmarsat's single integrated voice, fax, Mobile Data Service and
Mobile Packet Data Service.
FWD ID
forward Id, telephone network identity.
GAN
Inmarsat Global Area Network.
Home LES
Home Land Earth Station gives access to MPDS service like
Internet / e-mail and handles MPDS billing system.
IMN
Inmarsat Mobile Number, a unique 9-digit number which identifies each
device connected to FELCOM 70.
Inmarsat
International Maritime Satellite Organisation.
IOR
Indian Ocean Region.
ISDN
Integrated Services Digital Network.
ISN
Inmarsat Serial Number, individual number assigned to each FELCOM 70
terminal.
ITU
International Telecommunications Union
Kbps
Kilobits per second.
LAN
Local Area Network.
LES
Land Earth Station, a station that interconnects fixed telecommunications
networks with the Inmarsat system; may also be called a CES (Coast Earth
Station) or a GES (Ground Earth Station).
M4
Inmarsat Multi-Media Mini-M.
MES
Mobile Earth Station, a user terminal for an Inmarsat system;
the FELCOM 70 terminal is an MES for the Inmarsat GAN system; MES may
also be called SES (Ship Earth Station) or, if on aircraft, AES (Aeronautical Earth
Station).
MPDS
Inmarsat Mobile Packet Data Service.
MSN
Multiple Subscriber Number, the extension number that connected
equipment responds to. Also used for internal calls.
Содержание FELCOM 70
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