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Introduction
Page 1-12 Instruction Manual: TT1260 Standard Definition Professional Receiver/Decoder
ST.TM.E10100.1
1.3.4 Over-air Software Download
(TANDBERG Director Systems)
The TT1260 Satellite Receiver is shipped with the appropriate software
installed, but it is designed to allow replacement of this code by new
versions of software transmitted over-air. The new code is downloaded as
a background task in the same transport stream as used for the normal
transmission of services.
Figure 1.5 shows the system required for this function. The existing
software continues to function during the download process. Once all the
new code has been received, installed and validated, it is loaded into the
active memory and becomes the operating software for the Receiver.
Figure 1.5: Typical Download Transmission System
Software
Download
Controlle
r
Access Control
Computer
FMMs
Download
Service
Control
MPEG-2
Streams
evolution 5000
Multiplex Element Manager
TANDBERG
1 2 3
4 5 6
7 8 9
0 * ±
TANDBERG
70/140 MHz IF
TANDBERG
▲
◄ ►
▼
evolution 5000
Modulator
evolution 5000
Multiplexer
Up-converter
and HPA
TT1260 Receiver
TANDBERG