COBHAM 407006D-00500, Installation And Operation Manual

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Glossary
Glossary-2 98-166784-A
L
LAN Local Area Network
LEN Load Equivalent Number
LGPL Lesser General Public License
N
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 ,
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
300 gigahertz including the frequencies used for communications signals (radio,
television, cell-phone and satellite transmissions) or radar signals.
RFI Radio Frequency Interference. A non-desired radio signal which creates noise or dropouts
in the wireless system or noise in a sound system.
ROSS Roaming Oceanic Satellite Server
S
SSH Secure Shell. A network protocol for secure data communication, remote shell services or
command execution and other secure network services between two networked
computers that it connects via a secure channel over an insecure network. ,
U
UCLI User Command Line Interface
X
XIM Xim Interface Module, term for the module that connects the PCM and the ACU. X stands
for one of various interface modules.