Glossary
98-175666-A Glossary-2
L
LAN Local Area Network
LED Light Emitting Diode
LGPL Lesser General Public License
LHC Left Hand Circular
LHCP Left Hand Circular Polarization
LNB Low Noise Block
LTE Long-Term Evolution (also called 4G)
M
MIB Management Information Base
N
NID Network IDentification
NMEA National Marine Electronics Association (standard)
O
OID Object Identifier, in the context of the Simple Network Management Protocol (SNMP),
consists of the object identifier for an object in a Management Information Base (MIB).
OTC One Touch Commissioning
P
PLL Phase Locked Loop
POST Power On Self Test. A system test that is activated each time the system is powered on.
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.
RHCP Right Hand Circular Polarization
ROSS Roaming Oceanic Satellite Server
S
SNMP Simple Network Management Protocol. An Internet-standard protocol for managing
devices on IP networks. It is used mostly in network management systems to monitor
network-attached devices for conditions that warrant administrative attention.
U
UCLI User Command Line Interface ,
V
VIM VSAT Interface Module
VLAN Virtual LAN
VMU VSAT Modem Unit
Z
ZRM Zero Reference Module