User's Manual

3-2 List of terms
411-1333-204.01.02 Preliminary March 1999
LO
Local Oscillator
LNA
Low Noise Amplifier
LNB
Low Noise Block Downconverter
MHz
MegaHertz, one million hertz or cycles per second
NIU
Network Interface Unit
OCXO
Oven-Controlled Crystal Oscillator
PA
Power Amplifier
PS
Power Supply
QAM
Quadrature Amplitude Modulation, which entails modulating frequency
RF
Radio Frequency
RPE
Radio Power Extractor
RSM
Redundancy Switching Matrix
RSM 9016/9116
Redundancy System Monitor
SDM
Signal Demodulator Module
SMM
Signal Modulator Module