GSS.standard HDTV 1200 C CI, Инструкция по сборке

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- 6 - HDTV 1200 C CI
Connections
SAT inputs: ............................................................................. 2 F sockets
RF output: ........................................................................... 1 IEC socket
Connection strip (10-pin): ..................for supply voltages and control circuits
RS-232 socket: ..................................... serial interface for software update
Common Interface: ...........................several channels can be descrambled.
Remote maintenance
Remotely controllable (via PSW 1000*): ..............................................yes
Remote update (via BEflash*): .............................................................yes
(* and a corresponding management unit)
2.4 d
esCriPtion
The cassette converts services (programmes) modulated in DVB-S-/DVB-S2
standard into one outgoing QAM modulated signal for feeding into a cable
network. The cassette has two SAT inputs and one RF output. It is equipped with
two input channel strips ("
A " and " B ")
TPS
Tuner
A
Tuner B
CA Modul
Modulator HF Output
The channel strips are indicated in the head-end station display with " Bx …A "
and " Bx …B ". Using one adequate CA module scrambled stations of two trans-
ponders can be descrambled. The control of the cassette takes place via the
control unit of the head-end station.
Two LEDs provide an indication of the SAT IF input signal quality based on
their colour (only when stations are selected). Additionally the quality of the
transport stream received is displayed ("CN…"). The integrated TPS module
(Transport Stream Processing) processes the data of the transport streams.
The QAM modulated RF output signals are sent through the RF output of the
cassette to the output collector. The common output level of the channel strips
can be set at the output collector.
Software update for the operating software of the cassette is possible via satellite.
When the head-end station is switched on, the two-line LC display shows the
software version of the control unit. To operate this cassette the software version