List Of Terms - Nera WorldCommunicator Getting Started Manual

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
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 WorldCommunicator.
Inmarsat International Maritime Satellite Organisation.
IOR Indian Ocean Region.
IPDS Inmarsat Packet Data Service.
ISDN Integrated Services Digital
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).
M4 Inmarsat Multi-Media Mini-M.
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Network.
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.
PPP Point-to-Point Protocol, protocol used for serial data
communication via the WorldCommunicator RS-232 or USB port.
PUK Personal Unblocking Key, code that allows unblocking a SIM
card.
RF Radio Frequency.
S/A operator StandAlone operator who maintains connectivity
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 con-
nects 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).
Nera WorldCommunicator
GETTING STARTED