Scopus CODICO IRD-2600 - Functional Description; IRD-2600 and IRD-2800 Block Diagram

User Manual
Chapter 1. Overview
Page 1-8 P/N 2349-72784-00
1.2. Functional Description
1.2.1. IRD-2600 and IRD-2800 Block Diagram
Input to the Receiver (QDSNG receiver, QPSK, QAM, G.703, DS3/ATM and STM-1/OC-3) is
transferred to the de-multiplexer in the MPEG-2 Transport Demux. A video decoder and an
audio decoder process the resulting video, audio and data streams.
The end output is modified to suit the required output formats according to the installed
output modules.
A dedicated VBI programmable processor is assigned for providing various customers VBI
requirements.
Figure 1-3: Signal Path in the IRD-2600 and IRD-2800
Smart Card
CI
MPEG-2
TRANSPORT
DEMUX
VIDEO
DECODER
AUDIO
DECODER
DATA CHANNEL
(RS-232/RS-422)
AES/EBU
OUTPUT
(OPTION)
AUDIO OUTVIDEO OUT
D/A
CONVERTER
AUDIO
AMP.
PAL/NTSC
ENCODER
VIDEO
AMP.
OUTPUT
OPTIONS
TELETEXT
TRANSCODER
TELETEXT
OUT
GPI
(OPTION)
SYNC
INPUT SECTION
DSNG, QPSK,G.703, QAM, ATM
RECEIVER
Input Signal
Data
Processor
CPU
Front Panel
(Display &
Keyboard)
ASI
Input Signal
GPI
Interface
ASI
Interface
Out 1
Out 2
Out 3
Loopthrough