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<blockquote data-quote="a33" data-source="post: 1025102" data-attributes="member: 332642">Many all-port power pass splitters do pass power both ways. In that case power from the in-use MS can also reach the out-of-use MS. I don't know how both will react.But maybe your power pass splitter is one way (with diodes). In that case I can follow your line of reasoning, but....: when both MS deliver 22kHz, interference will occur, and I wouldn't know how your system reacts to that.That might be what caused the malfunction when you tried.When you don't want the 22kHz interference, maybe it would help to make the voltage of one MS 1 volt (or so) lower (adding 1 or 2 diodes)? Theoretically that could work, but I never tried it! However I don't know how stable the LNB-voltage of a receiver-fed MS is, so there could be problems there....So the 22kHz does indeed contribute to your problem, I would guess.I'm also thinking about a way to power your LNB through your second MS, when the first one is off, by a relay in the 'signal'path of the second MS (fed by the first MS). The relay would 'short' the DC-blocked port of the added splitter (only ONE port power pass splitter). I'm not 100% sure, though, that the 22kHz from MS2 doesn't pass the DCblocked port of the splitter: too tired now to think straight (23 o'clock here now).This also might be theoretically OK, but I haven't tested it, nor seen it tested on the forums...Greetz,A33</blockquote>

[QUOTE="a33, post: 1025102, member: 332642"] Many all-port power pass splitters do pass power both ways. In that case power from the in-use MS can also reach the out-of-use MS. I don't know how both will react. But maybe your power pass splitter is one way (with diodes). In that case I can follow your line of reasoning, but....: when both MS deliver 22kHz, interference will occur, and I wouldn't know how your system reacts to that. That might be what caused the malfunction when you tried. When you don't want the 22kHz interference, [B]maybe[/B] it would help to make the voltage of one MS 1 volt (or so) lower (adding 1 or 2 diodes)? Theoretically that could work, but I never tried it! However I don't know how stable the LNB-voltage of a receiver-fed MS is, so there could be problems there.... So the 22kHz does indeed contribute to your problem, I would guess. I'm also thinking about a way to power your LNB through your second MS, when the first one is off, by a relay in the 'signal'path of the second MS (fed by the first MS). The relay would 'short' the DC-blocked port of the added splitter (only ONE port power pass splitter). I'm not 100% sure, though, that the 22kHz from MS2 doesn't pass the DCblocked port of the splitter: too tired now to think straight (23 o'clock here now). This also might be theoretically OK, but I haven't tested it, nor seen it tested on the forums... Greetz, A33 [/QUOTE]

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