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<blockquote data-quote="Lazarus" data-source="post: 633373" data-attributes="member: 323322">The thing is, the cable doesn't just send signals along from the LNB to the Receiver(s), but it also has to send Band and Polarity switching signals from the Receiver to the LNB.So, if you have more than one Receiver on a single feed, they fight for control of the LNB and conflicts occur.By using an IF Loop Through (ie LNB Out from the first Box to LNB In on the next), you can physically connect two Receivers BUT only one can be allowed to control the LNB. The other Box can then only receive signals of the same Band and Polarity as the master Box ie About one quarter of the total.NB: You CANNOT split a single feed eg using a Y-piece. 'tis a No-No.This is exactly why we advised you to either use an A/B switch so that the single feed is diverted only to one or other of the Boxes, or to upgrade your LNB to provide a separate feed to each Box.</blockquote>

[QUOTE="Lazarus, post: 633373, member: 323322"] The thing is, the cable doesn't just send signals along from the LNB to the Receiver(s), but it also has to send Band and Polarity switching signals from the Receiver to the LNB. So, if you have more than one Receiver on a single feed, they fight for control of the LNB and conflicts occur. By using an IF Loop Through (ie LNB Out from the first Box to LNB In on the next), you can physically connect two Receivers BUT only one can be allowed to control the LNB. The other Box can then only receive signals of the same Band and Polarity as the master Box ie About one quarter of the total. NB: You CANNOT split a single feed eg using a Y-piece. 'tis a No-No. This is exactly why we advised you to either use an A/B switch so that the single feed is diverted only to one or other of the Boxes, or to upgrade your LNB to provide a separate feed to each Box. [/QUOTE]

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