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<blockquote data-quote="PaulR" data-source="post: 604152" data-attributes="member: 176256">The multiswitch will have 4 inputs for the four connections to a quattro LNB (Note: not a quad LN<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool&nbsp; &nbsp; :cool:" loading="lazy" data-shortname=":cool:" /> and 1 input for terrestrial TV.&nbsp; The terrestrial TV input can also accept FM and DAB signals if you have aerials for them although you will need a combiner.These signals are all combined together and avaialble on the outputs (either 4, 8, 12, 16 or even more).&nbsp; You can acually use an output from a multiswitch straight into a TV, FM radio, DAB radio or satellite receiver.&nbsp; The triplexer simply separates the signals out so that they are available for 3 different appliances.Incidentally you will need a quadplexer for your living room - this is simply a tripleser with an extra ouput for your second downlead.The satellite receiver doesn't send signals to the multiswitch as such.&nbsp; The 4 different outputs of the Quad LNB (low horizontal, high horizontal, low vertical, high vertical) are selected by voltage (14v or 17v) and absence or presence of a 22kHz signal.&nbsp; All these go &quot;through&quot; the triplexer without problem.You may have read about something called DiSecQ which IS a signalling system.&nbsp; The 22kHz signal is modified to control moveable dishes or multiple satellite LNBs so that you can receive programmes from more than satellite.&nbsp; This isn't really relevant for the setup you have in mind but there are multiswitches available whch can use Disecq for two Quad LNBs for two satellites!&nbsp; Something for the future perhaps.</blockquote>

[QUOTE="PaulR, post: 604152, member: 176256"] The multiswitch will have 4 inputs for the four connections to a quattro LNB (Note: not a quad LNB) and 1 input for terrestrial TV. The terrestrial TV input can also accept FM and DAB signals if you have aerials for them although you will need a combiner. These signals are all combined together and avaialble on the outputs (either 4, 8, 12, 16 or even more). You can acually use an output from a multiswitch straight into a TV, FM radio, DAB radio or satellite receiver. The triplexer simply separates the signals out so that they are available for 3 different appliances. Incidentally you will need a quadplexer for your living room - this is simply a tripleser with an extra ouput for your second downlead. The satellite receiver doesn't send signals to the multiswitch as such. The 4 different outputs of the Quad LNB (low horizontal, high horizontal, low vertical, high vertical) are selected by voltage (14v or 17v) and absence or presence of a 22kHz signal. All these go "through" the triplexer without problem. You may have read about something called DiSecQ which IS a signalling system. The 22kHz signal is modified to control moveable dishes or multiple satellite LNBs so that you can receive programmes from more than satellite. This isn't really relevant for the setup you have in mind but there are multiswitches available whch can use Disecq for two Quad LNBs for two satellites! Something for the future perhaps. [/QUOTE]

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