User manual

Glossary

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Geostationary Placed in a fixed position relative to a point on the surface of the earth.

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

LAN Local Area Network

LED Light Emitting Diode

MB Mega Bytes

MRCC Maritime Rescue Coordination Centre

NAT Network Address Translation. An Internet standard that enables a local-area network to use

one set of IP addresses for internal traffic and a second set of addresses for external traffic.

A NAT module makes all necessary address translations.