Glossary
Encryption
Encoding of a transmission to prevent access without the
appropriate decryption equipment and authorization.
EPG
Electronic Programme Guide: On-screen programme listing using
thumbnail pictures and/or text.
Ethernet
The most widely used local area network (LAN) defined by the IEEE
as the 802.3 standard. Transmission speeds vary according to the
configuration. Ethernet uses copper or fibre-optic cables.
ETS
European Telecommunications Standard.
ETSI
European Telecommunications Standards Institute.
FBAS
German for CVBS
FCC
Federal Communications Commission.
FDM
Frequency Division Multiplex: A common communication channel for
a number of signals, each with its own allotted frequency.
FEC
Forward Error Correction: A method of catching errors in a
transmission. The data is processed through an algorithm that adds
extra bits and sends these with the transmitted data. The extra bits
are then used at the receiving end to check the accuracy of the
transmission and correct any errors.
FFT
Fast Fourier Transformation: A fast algorithm for performing a
discrete Fourier transform.
FIFO
First In, First Out: A data structure or hardware buffer from which
items are taken out in the same order they were put in. Also known
as a shelf from the analogy with pushing items onto one end of a
shelf so that they fall off the other. A FIFO is useful for buffering a
stream of data between a sender and receiver that are not
synchronized - i.e. they not sending and receiving at exactly the
same rate.
FM
Frequency Modulation: Analogue modulation procedure
Footprint
The area of the Earth’s surface covered by a satellite’s downlink
transmission. Also (generally) the area from which the satellite can
receive uplink transmissions.
FTP
File Transfer Protocol: A protocol used to transfer files over a
TCP/IP network (Internet, UNIX, etc.). For example, after developing
the HTML pages for a Web site on a local machine, they are
typically uploaded to the Web server, using FTP. Unlike e-mail
programs in which graphics and program files have to be attached,
FTP is designed to handle binary files directly and does not add the
overhead of encoding and decoding the data.
G.703
The ITU-T standard which defines the physical and electrical
characteristics of hierarchical digital interfaces.
GOP
Group of Pictures: MPEG video compression works more effectively
by processing a number of video frames as a block. The Ericsson
AB Encoder normally uses a 12 frame GOP; every twelfth frame is
an I frame.
2/1553-FGC 101 1014 Uen B
A-7
Summary of Contents for MX8400
Page 1: ...MX8400 Multiplexer Software Version 5 2 0 and later REFERENCE GUIDE 2 1553 FGC 101 1014 Uen B...
Page 26: ...Installing and Powering Up 2 1553 FGC 101 1014 Uen B 2 4 BLANK...
Page 94: ...Operating the Multiplexer using nCompass Control 2 1553 FGC 101 1014 Uen B 4 18 BLANK...
Page 96: ...Preventive Maintenance and Fault finding 2 1553 FGC 101 1014 Uen B 5 2 BLANK...
Page 146: ...Technical Specification 2 1553 FGC 101 1014 Uen B B 20 BLANK...
Page 148: ...Static Parameters 2 1553 FGC 101 1014 Uen B C 2 BLANK...
Page 186: ...Redundancy Modes 2 1553 FGC 101 1014 Uen B E 2 BLANK...
Page 192: ...IP Protocols 2 1553 FGC 101 1014 Uen B F 2 BLANK...
Page 196: ...IP Protocols 2 1553 FGC 101 1014 Uen B F 6 Figure F 3 Editing Stack Download Ports...
Page 198: ...ProMPEG FEC Support for IP Streaming 2 1553 FGC 101 1014 Uen B G 2 BLANK...
Page 204: ...Setting up the SFN Functionality 2 1553 FGC 101 1014 Uen B H 2 BLANK...
Page 212: ...Setting up the SFN Functionality 2 1553 FGC 101 1014 Uen B H 10 BLANK...
Page 214: ...PSIG Support 2 1553 FGC 101 1014 Uen B I 2 BLANK...
Page 220: ...BISS Support 2 1553 FGC 101 1014 Uen B J 2 BLANK...