Comtech EF Data SDM-100A User Manual
Page 208
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