List Of Terms - Nera WorldCommunicator Getting Started Manual

GETTING STARTED
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 WorldCommunicator "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.
FWD ID forward Id, telephone network identity.
GAN Inmarsat Global Area Network.
IMN Inmarsat Mobile Number, a unique 9-digit number
which identifies each device connected to the WorldCom-
municator.
Inmarsat International Maritime Satellite Organisation.
IOR Indian Ocean Region.
IPDS Inmarsat Packet Data Service.
ISDN Integrated Services Digital Network.
ISN Inmarsat Serial Number, individual number assigned to
each WorldCommunicator 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).
Nera WorldCommunicator
M4 Inmarsat Multi-Media Mini-M.
MES Mobile Earth Station, a user terminal for an Inmarsat
system; the WorldCommunicator terminal is an MES for the
Inmarsat M4 system; MES may also be called SES (Ship
Earth Station) or, if on aircraft, AES (Aeronautical Earth
Station).
MSN Multiple Subscriber Number, the extension number
that connected equipment responds to. Also used to allow
internal calls.
NCS Network Coordination Station, station that supervises
all messages and signals sent in the Inmarsat system; one
in each Ocean Region.
OID Originating terminal IDentification.
Ocean Region the coverage area of an Inmarsat satellite
within which the WorldCommunicator may communicate.
PABX Private Automatic Branch Exchange.
PIN Personal Identification Number.
POR Pacific Ocean Region.
PUK Personal Unblocking Key, code that allows unblocking
a SIM card.
RF Radio Frequency.
S/A operator StandAlone operator who maintains connec-
tivity in the event of Network Coordinating Station failure.
SIM Subscriber Identity Module.
SMS Short Message System.
Spot Beam an Ocean Region is divided into sub-regions,
each "spotlighted" by a beam from the region satellite.
Terrestrial Network a fixed telecommunications network,
such as a telephone network or a data network, which
connects to the Inmarsat system at an LES/NCS.
UDI Unrestricted Digital Information.
USB Universal Serial Bus.
UTC Coordinated Universal Time, referenced to Greenwich
Mean Time (GMT).

LIST OF TERMS

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