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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
F2V, Changing Boxes & Sky +
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<blockquote data-quote="PaulR" data-source="post: 33600" data-attributes="member: 176256"><p>There are 2 types of LNB with 4 outputs. The first type is the most common and is effectively 4 seperate universal LNBs inside one housing. Each of the outputs can feed a seprate Digibox or 2 outputs can be used for a Plusbox leaving 2 spare.</p><p></p><p>The ther type of 4 ouput LNB is normally used by professional installers who will be piping a simulated satellite dish ouput to many homes (usually apartments). This LNB gives separate fixed outputs of Low band Horizontal, Low band Vertical, High band Horizontal and High band Vertical. These outputs are fixed and do not vary if the voltage is changed or a 22KHz tone applied (which is how a normal LNB changes.</p><p></p><p>These separate outputs are then fed to a clever box which is usually connected to an outlet on a wall. It will pretend to be an LNB and delivers whatever band your receiver "asks" for. The separate outputs of the LNB can be amplified and fed to other clever boxes so that you only need 1 dish for however many subscribers you have.</p><p></p><p>A further possible LNB is an 8 output version ofthe first type. This can obviously feed 4 plusboxes but once that point is reached you have to stop and think again.</p><p></p><p>Does this make it any clearer?</p><p></p><p>PaulR</p></blockquote><p></p>
[QUOTE="PaulR, post: 33600, member: 176256"] There are 2 types of LNB with 4 outputs. The first type is the most common and is effectively 4 seperate universal LNBs inside one housing. Each of the outputs can feed a seprate Digibox or 2 outputs can be used for a Plusbox leaving 2 spare. The ther type of 4 ouput LNB is normally used by professional installers who will be piping a simulated satellite dish ouput to many homes (usually apartments). This LNB gives separate fixed outputs of Low band Horizontal, Low band Vertical, High band Horizontal and High band Vertical. These outputs are fixed and do not vary if the voltage is changed or a 22KHz tone applied (which is how a normal LNB changes. These separate outputs are then fed to a clever box which is usually connected to an outlet on a wall. It will pretend to be an LNB and delivers whatever band your receiver "asks" for. The separate outputs of the LNB can be amplified and fed to other clever boxes so that you only need 1 dish for however many subscribers you have. A further possible LNB is an 8 output version ofthe first type. This can obviously feed 4 plusboxes but once that point is reached you have to stop and think again. Does this make it any clearer? PaulR [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
F2V, Changing Boxes & Sky +
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