Glossary
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G
G.3 fax Group 3 fax. A digital format for transmitting fax messages over a traditional phone line.
Conforms to the ITU-T Recommendations T.30 and T.4.
Geostationary Placed in a fixed position relative to a point on the surface of the earth.
I
I/O Input/Output
IAI-2 Inmarsat Air Interface-2. The air interface used for BGAN. IAI-2 is an evolution of MPDS
with new bearer types, which give a wide range of data rates from 16 kbps up to 492 kbps.
By utilizing different modulation schemes, variable coding rate and power adjustment, it
is possible to change the bearer type to give optimum throughput with efficient use of the
satellite resources.
ICMP Internet Control Message Protocol. An Internet protocol mostly used for diagnostics.
IMEI International Mobile Equipment Identity. A unique number identifying your terminal
IMSO International Maritime Satellite Organisation. An intergovernmental body established to
ensure that Inmarsat continues to meet its public service obligations, including
obligations relating to the GMDSS.
IP Internet Protocol
L
LAN Local Area Network
LED Light Emitting Diode
M
MB Mega Bytes
MRCC Maritime Rescue Coordination Centre