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Glossary
g–2
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
/N
Bit Energy-to-Noise Ratio
b
0
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
kHz
Kilohertz
Ks/s
Kilosymbols Per Second (10
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
PK
Peak
PPM
Parts Per Million
QPSK
Quadrature Phase Shift Keying
RAM
Random Access Memory
RD
Receive Data
RLSD
Receive Line Signal Detect
bits per second)
3
symbols per second)
3
12
Farads)
SDM-100A Satellite Modem
Rev. 0
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