Satellite signal distribution over a single coaxial cable. Second generation
This European Standard describes:
the system physical structure;
the system control signals, which implement a set of messages using DiSEqC physical layer but not the DiSEqC message structure;
the definition of identified configurations;
the management of the potential collisions in the control signals traffic.
FigureΒ 1 illustrates the physical system configuration considered in this standard.
Several satellite signal demodulators can receive signals from any of the input signal banks (Bank 1, Bank 2, Bank M, with M β€ 256) of the LNB or the switch.
The signals selected by the demodulators (or receivers) are transported via a single cable to these demodulators (Receiver 1, Receiver 2, Receiver N, with N β€ 32).
To achieve these single cable distributions, the Single Cable Interface (SCIF) (likely embedded in a LNB or a Switch) features some specific functions and characteristics.
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