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0458-2013

Mix of terrestrial signal with an optical LNB

Description: 

Sometimes, it may be necessary to mix terrestrial signals from a headend with the signal from an optical LNB and generate a single output optical signal.
If the headend generates services coming from the antenna which signal is to be distributed, the cabling system can be simplified by using two combiners.
Thanks to these devices, the satellite signal to be processed will 

  be lead to the headend; and the UHF signal, processed, will come back by the same cable to be converted into optical signal.
But not only are simplified the RF connections; in many cases, the optical LNB power is a problem, since you need an electrical socket in its vicinity.
As indicated below in the figure, the use of two combiners ref. 7452, apart from simplifying the coaxial cabling, allows remote powering of the whole antenna system   
 

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