AB-COM IPBOX 400S Manual - page 60
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18. GLOSSARY OF TERMS
CA
Conditional Access. A system to control
subscriber access to services/ programs.
RF
Radio frequency (known as HF in some
countries).
Common Interface
DVB standard hardware and software
architecture for Conditional Access systems.
SCART
A 21-pin connector used for connection of
the relook, VCR and TV. Also known as
Euro connector
DVB
The Digital Video Broadcast group was
created to establish
a technical framework for the introduction of
digital video broadcasting systems.
S/PDIF
Sony/Philips Digital Interface Format
digital audio output.
EPG
Electronic Program Guide. The programming
information provided
By the service provider that enables a viewer
to find the much
Information of programs.
Symbol Rate
Speed of the digital transmission
LNB (Low-Noise Block Converter)
An electronic unit mounted on the satellite
dish. It receives the signals reflected by the
dish and coverts them to signals that can be
used by satellite receiver
TS
Transport stream.
Polarization
Polarization allows several programs to be fit
into the same frequency band. The signals
from a satellite are transmitted either with
linear (vertical or horizontal) polarization or
circular (right or left) polarization.
CMS
Contents Management System