Advice Needed Complex setup - rotor and T90 with a multiswitch

Robinson74 said:
So I can confirm having 3 HD51 receivers with 2 single tuners each.
As far as I understand, I need uncommitted DiSEqC switches (1.1 or 2.1).
Click to expand...

Some questions:

1. So, these HD51 have SINGLE tuners, not multiple internal tuners as some FBC VU+ tuners have, do I understand that right? So that you need both tuners to watch one channel, and record another channel (on a different satellite)?

2. Are these HD51 tuners able to switch between four/multiple satellites under the EN50607 (JESS/ "Unicable II") protocol, did you check that? Because if they can handle only EN50494 (Unicable I), they can switch only between 2 satellites, I would think.

3. Can your HD51 tuners combine legacy diseqc switching, and Unicable/JESS switching, did you check that? Not all receivers can do that. That would be needed for your proposed solution: diseqc switch one path to motor+LNB, and other path to your EN50607 multiswitch.
By the way: as the EN50607 has another switching protocol than diseqc, if I'm informed correctly, I don't see that you'd need diseqc x.1 switches. I would think diseqc x.0 would be good enough.
BTW2. diseqc 1.1 switches were very cheap in china some years ago, especially 8/1 switches. Not bad to use those, as you have spare ports if a port has blown (I have that with some of my 8/1 switches...).

So I would think these questions must be answered first, before further planning of what is possible can occur.

Might be that you have to go to a fully legacy setup, or fully EN50607 setup with externally legacy controlled motor position or so.


@ozumo : did you account for the fact that Unicable/JESS uses a brief voltage spike, while giving commands? I don't see that a voltage switch would work, but maybe I'm missing something?


Greetz,
A33
 
1. So, these HD51 have SINGLE tuners, not multiple internal tuners as some FBC VU+ tuners have, do I understand that right? So that you need both tuners to watch one channel, and record another channel (on a different satellite)?
Click to expand...
Correct.


2. Are these HD51 tuners able to switch between four/multiple satellites under the EN50607 (JESS/ "Unicable II") protocol, did you check that? Because if they can handle only EN50494 (Unicable I), they can switch only between 2 satellites, I would think.
Click to expand...
Mutant HD51 is not that old. I am pretty sure it handles Unicable II very well. It is, of course, an Enigma2-based receiver running OpenPLi.


3. Can your HD51 tuners combine legacy diseqc switching, and Unicable/JESS switching, did you check that? Not all receivers can do that. That would be needed for your proposed solution: diseqc switch one path to motor+LNB, and other path to your EN50607 multiswitch.
By the way: as the EN50607 has another switching protocol than diseqc, if I'm informed correctly, I don't see that you'd need diseqc x.1 switches. I would think diseqc x.0 would be good enough.
BTW2. diseqc 1.1 switches were very cheap in china some years ago, especially 8/1 switches. Not bad to use those, as you have spare ports if a port has blown (I have that with some of my 8/1 switches...).
Click to expand...
I have never had a chance to check that but again I would assume it can easily combine legacy with JESS.
I have a 1.0 DiSEqC switch so when I build the installation I will check that. Hopefully within a week.
My understanding is that 1.1 switches pass commands to cascaded (multi)switches while 1.0/2.0 do not but perhaps I am wrong here.
It also must pass current to the rotor, at least 350 mA.
 
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