Glossary
Glossary-2 98-141779-G
HTTPS HyperText Transfer Protocol Secure.
I
IMSO International Mobile Satellite Organisation. An intergovernmental organisation that
oversees certain public satellite safety and security communication services provided via
the Inmarsat satellites.
ISM Inertial Sensor Module ,
K
KDM Keyboard and Display Module of the ACU
L
LAN Local Area Network
LEN Load Equivalent Number
LGPL Lesser General Public License
M
MIB Management Information Base
N
NID Network IDentification ,
NMEA National Marine Electronics Association (standard). A combined electrical and data
specification for communication between marine electronic devices such as echo
sounder, sonars, anemometer (wind speed and direction), gyrocompass, autopilot, GPS
receivers and many other types of instruments. It has been defined by, and is controlled
by, the U.S.-based National Marine Electronics Association.
P
PAST Person Activated Self Test
PCM Pedestal Control Module ,
PMM Polarisation Motor Module ,
POST Power On Self Test. A system test that is activated each time the system is powered on.
PSM Power Supply Module
R
RF Radio Frequency. Electromagnetic wave frequencies between about 3 kilohertz and about