Just thought I would post my findings after spending a few hours up on my roof in the freezing cold last night, the Openbox really does not like sharing an LNB, I used mutliple LNB's for testing, quad/octo sky old/new zinwells & invacoms, all of my channels come in with 83% and 75% when the Openbox has exclusive access to all of my LNBS. Once you start adding additional connections the Openbox becomes fussy, the most simultaneous connections the Openbox would maintain signal with on one of the difficult channels (12324 V 29500) is 3, however only 1 of the other boxes can be powered on at the same time, powering both on results in the no signal error, I have ordered an inline signal amp and will conduct further testing once it arrives.
Hopefully this will help someone else with the same "no signal problem" when multiple boxes are connected to the LNB, the fact that the Openbox sees all the channels when only it is connected to the LNB, shows that the Openbox is working correctly, it would seem that the tuner is sensitive to the voltage drop across the LNB connectors when multiple receivers are connected
Hopefully this will help someone else with the same "no signal problem" when multiple boxes are connected to the LNB, the fact that the Openbox sees all the channels when only it is connected to the LNB, shows that the Openbox is working correctly, it would seem that the tuner is sensitive to the voltage drop across the LNB connectors when multiple receivers are connected
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