Specifications

Glossary SDM-100A Satellite Modem
g–2 Rev. 0
DCE Data Circuit Terminating Equipment
DDS Direct Digital Synthesis
Demod Demodulator
DEMUX Demultiplexer
DM Data Mode
DSP Digital Signal Processing
DSR Data Signal Rate
DTE Data Terminal Equipment
E&M Ear and Mouth
E
b
/N
0
Bit Energy-to-Noise Ratio
EFD EFData Compatible
EIA Electronic Industries Association
EMC Electro-Magnetic Compatibility
EXT External Reference Clock
FDC Fairchild Data Compatible
FDMA Frequency Division Multiple Access
FEC Forward Error Correction
FIFO First In/First Out
Flt Fault
FPGA Field Programmable Gate Array
GND Ground
Hz Hertz
I&Q In-Phase and Quadrature
I/O Input/Output
IBS INTELSAT Business Service
IDR Intermediate Data Rate
IESS INTELSAT Earth Station Standards
IF Intermediate Frequency
kbit/s Kilobits Per Second (10
3
bits per second)
kHz Kilohertz
Ks/s Kilosymbols Per Second (10
3
symbols per second)
LCD Liquid Crystal Display
LED Light-Emitting Diode
lf Line Feed
LSI Large Scale Integration (semiconductors)
M&C Monitor and Control
mA MilliAmperes
Max Maximum
MC Monitor and Control
MHz Megahertz
Min Minimum or Minute
MOP Modulated Output Power
MPC Microprocessor Controller
MS Milliseconds
MUX Multiplexer
NC No Connection
NO Normally Open
PCB Printed Circuit Board
PCM Pulse Code Modulation
pF PicoFarads (10
12
Farads)
PK Peak
PPM Parts Per Million
QPSK Quadrature Phase Shift Keying
RAM Random Access Memory
RD Receive Data
RLSD Receive Line Signal Detect