Glossary
A-4
MRX4000 PLUS
Operator’s Guide/
Technical Reference Manual
DS3
Digital Signal 3
44.736 Mbps data rate.
DTE
Data Terminal Equipment
A device that communicates with a DCE device. In
practical terms, the DTE is usually a computer and
the DCE device is usually a modem.
Duplex
A channel capable of transmitting information
simultaneously in both directions.
DVB
Digital Video Broadcasting
DVB-ASI
Digital Video Broadcasting - Asynchronous Serial
Interface
A widely-used MPEG-2 digital transport interface.
Physically the connection is made either with optical
fiber or 75 ohm coax with a BNC connector. Interface
can support data rates up to 270 Mb/sec.
DVB-C
Digital Video Broadcasting - Cable
DVB-S
Digital Video Broadcasting - Satellite
DVB-T
Digital Video Broadcasting - Terrestrial
E1
2.048 Mbps data rate.
E3
34.368 Mbps data rate
EIA
Electronic Industries Association
An industry association that establishes various
standards.
EBU
European Broadcasting Union
In addition to other activities, EBU produces technical
statements and recommendations for PAL television
systems.
Table A-1: Useful Terms (Continued)
EMC
Electromagnetic compatibility.
Emphasis
Boosting the amplitude of high frequency
components of an analog audio signal. Done on the
transmit side of an analog link to improve signal-to-
noise ratio.
ENG
Electronic News Gathering
ERRS
Errors
ESD
Electrostatic Discharge
ET
Eastern Time (US)
ETSI
European Telecommunications Standards Institute
EVM
Error Vector Magnitude
FCC
Federal Communications Commission
The United States communications regulatory
agency.
FDM
Frequency Division Multiplexing
FEC
Forward Error Corrections
FFT
Fast Fourier Transform
FIFO
First In, First Out buffer
FIR
Finite Impulse Response
FMT
FM Video Modulator or FM Transmitter
FPGA
Field Programmable Gate Array
FSK
Frequency-Shift Keying
FTP
File Transfer Protocol
FW
Firmware
GHz
Gigahertz (10
9
Hz)
GI
Guard Interval
GND
Ground
Table A-1: Useful Terms (Continued)
Summary of Contents for MRX4000 PLUS
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