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4. Product description
4.1. Introduction
The DUAL A/D CHANNEL PROCESSOR contains two processors, herein known
as module A and module B. Each one of them can be used independently
either as a channel converter (output channel dierent of input channel) or as
an amplier (output channel equal to input channel).
When used as a converter, it allows to select any channel in the VHF or UHF
band (46-862MHz) and translate it in frequency to any position within these
bands.
Both modules A and B feature its own Up-converter, thus enabling to allocate
independently the two output channels to any position within the TV band.
The parameters are selected by the programmer ref. 7234, which is connected
to the front of the unit.
By using the universal programmer, both modules can be programmed with the
operating parameters required by the premises: input and output frequencies,
output levels and bandwidth, mainly.
Both modules A and B share the same input port (loop-through).
The input loop-through allows the input signal be available to a number of units
interconnected. At the same time it allows to power a preamplier through the
signal input cable (12 / 24 Vdc).
If a shortcircuit occurs at the input port, a LED on the front panel of the unit
will start to ash and the input power will be switched-o. The programmed
voltage at the input will be reset once repaired the shortcircuit.
It features also an input RF connector and an output RF connector in loop-
through in order to mix the channels for subsequent amplication.
4.2. DUAL A/D Channel Processor
1. RF Input (12V/24V/O )
2. RF Output (input loop-through)
3. RF Input (output loop-through)
4. RF Output
5. Power BUS connectors
6. Status LED
7. Control BUS connectors
8. Programmer / PC socket
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