Index
98-143492-B
Index-
15
IP
Internet Protocol. The method or protocol by which data is sent from one computer to
another on the Internet.
K
KDM
Keyboard and Display Module of the ACU
L
LAN
Local Area Network
LED
Light Emitting Diode
LNB
Low Noise Block. A device used to amplify or boost the weak received signal without
amplifying the noise signals (hence the
“low noise” part of LNB) and to convert the high
frequencies of the signal into lower frequencies, a process called down converting, for
conveyance to the indoor equipment (demodulator) for processing.
P
PAST
Person Activated Self Test
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 kHz and about 300
GHz including the frequencies used for communications signals (radio, television, cell-
phone and satellite transmissions) or radar signals.
S
SSID
Service Set IDentifier. An SSID is the name of a wireless local area network (WLAN). All
wireless devices on a WLAN must use the same SSID in order to communicate with each
other.
