Product manual

100-M0131X1A 02/10/10 5 of 31
www.cobham.com/gms
1. Acronyms
This section lists and describes the various acronyms used in this document.
Name Meaning
16QAM
16-state Quadrature Amplitude Modulation
A/V
Audio/Video
AES
Advanced Encryption System
ABS
Basic Encryption System (8 bit)
C-OFDM
Coded Orthogonal Frequency Division Multiplexing
CSM
Compact Surveillance Modem
CVBS
Composite Video
BDC
Block-Down Converter
FEC
Forward Error Correction
GUI
Graphical User Interface
I/O
Input/ Output
KBaud
Kilobaud per second
Kbps
Kilobits per second
Mbps
Megabits per second
MER
Modulation Error Rate
MPEG
Moving Picture Experts Group
NTSC
National Television System Committee
PAL
Phase Alternation Line
QPSK
Quadrature Phase Shift Keying
QAM
Quadrature Amplitude Modulation
RF
Radio Frequency
RX
Receiver
S/N
Signal-to-Noise Ratio
THD
Total Harmonic Distortion
TX
Transmitter
VDC
Volts (Direct Current)