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Introduction
Instruction Manual: TT1260 Standard Definition Professional Receiver/Decoder Page 1-17
ST.TM.E10100.1
1.6.5 Conditional Access and Scrambling Options
VideoGuard Director
There is a slot on the rear panel to allow the insertion of a Conditional
Access (CA) card for the VideoGuard Director CA system.
Remote Authorisation System (RAS 1)
With the appropriate configuration, the TT1260 fully descrambles Remote
Authorisation System (RAS) input transport stream. The ability to decrypt
all the components in any other transport stream is a function of the
specific CA system decryption.
Basic Interoperable Scrambling System (BISS)
With the appropriate configuration, the TT1260 fully descrambles the BISS
mode-1 or mode-E input transport stream. This system has been
developed by the European Broadcasting Union (EBU) as an open
scrambling system.
BISS has five main levels of operation: Mode 0, Mode 1, Mode 2, Mode 3
and Mode-E
BISS Mode 0 corresponds to no scrambling.
BISS Mode 1 operation uses a fixed value for the control word to
scramble the services in the transport stream from the Encoder. To
descramble the transmission, the TT1260 needs to have the matching
control word value.
BISS Mode E operation uses a fixed value for the control word to
scramble the services in the transport stream from the Encoder. To
descramble the transmission, the TT1260 needs to have the matching
control word value.
BISS Modes 2 and 3 are not supported at this release.
1.6.6 Rear Panel
Inputs and outputs to the unit are taken via the rear panel. Figure 1.10
shows a typical Decoder rear panel.
Figure 1.10: TT1260 Decoder Rear Panel
Connector descriptions are given in Chapter 2, Installing the Equipment
and Chapter 5, Options.