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Thread: terminology clarification

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    terminology clarification

    Multistream? what exactly is this?

    DVBS2X and FBC tuners...is there a difference?

    Unicable II and JESS LNBs...is there a difference?

    Thanks

  2. #2
    BrianTheTechieSnail
    Okay, I'll start with what I think is the easy one...
    Quote Originally Posted by lost_one View Post
    Unicable II and JESS LNBs...is there a difference?
    AFAIK they are different names for the same thing.
    Edit: I think the correct name for this is EN50607.
    Last edited by BrianTheTechieSnail; 11-08-20 at 01:25. Reason: More info added

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    abu baniaz's Avatar
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    Quote Originally Posted by lost_one View Post
    DVBS2X and FBC tuners...is there a difference?
    Yes there is. You get FBC tuners that are DVBS2 and not DVBS2X. You also get FBC tuners that are DVBC. DVBS2x tuners are not necessarily FBC tuners.

    Some info here about difference between s2/s2x
    Code:
    https://blog.bliley.com/dvb-s2-and-dvb-s2x-standards
    Multistream details here
    Code:
    https://wiki.openpli.org/Multistream

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    CRMS's Avatar
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    Unicable II and JESS LNBs...is there a difference?

    Yes. Jess is developed by Jultec and a little more advanced than Unicable II. https://wiki.openpli.org/Unicable_/_Jess

    A glossary would be really useful!!

    A few more clarifications:

    Difference /advantage/when to use between:

    loop through or equal to lnb settings??

    FBC advanced settings or FBC Automatic??
    Last edited by CRMS; 11-08-20 at 09:46.

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    As they say in the trade all of the above is as clear as mud. Not read links yet.

  6. #6
    BrianTheTechieSnail
    Quote Originally Posted by bmitie View Post
    As they say in the trade all of the above is as clear as mud. Not read links yet.
    Agreed.
    Multistream in particular remains a complete mystery to me.
    Nobody even seems to want to say in simple language what it's for or why it was invented!
    I suspect it might even mean different things to different people.

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    ccs's Avatar
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    Quote Originally Posted by BrianTheTechieSnail View Post
    Agreed.
    Multistream in particular remains a complete mystery to me.
    Nobody even seems to want to say in simple language what it's for or why it was invented!
    I suspect it might even mean different things to different people.
    .... clue in an earlier post.

    Code:
    https://wiki.openpli.org/Multistream

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    abu baniaz's Avatar
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    terminology clarification

    "Equal to" means "exactly the same as".

  9. #9
    BrianTheTechieSnail
    Quote Originally Posted by ccs View Post
    .... clue in an earlier post.

    Code:
    https://wiki.openpli.org/Multistream
    Which leaves me with no clue as to what it's for. What it describes seems to be exactly what happens on any/all DVB-S frequency.

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    CRMS's Avatar
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    Quote Originally Posted by abu baniaz View Post
    "Equal to" means "exactly the same as".
    Yes going by the plain English.

    Put in OpenVix speak - as I asked above What is the Difference /advantage/when to use between:loop through or equal to lnb settings??

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    abu baniaz's Avatar
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    They are different functions. You would use equal to for what it says on the tin. It was designed for people with complicated diseqc setups so that they would not have to repeat configuration for something that is identical.

    Loop-through is sharing a signal wire. There is internal loop through as well external loop through although very few receivers have this now.

    In Unicable, connected to is a derivative of internal loop-through, but added difference of being able to configure it in its own right.

    FBC automatic is also internal loop-through but automatic and dynamic based on what is physically hooked up to the two inputs.

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    Andy_Hazza's Avatar
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    Quote Originally Posted by CRMS View Post
    Yes going by the plain English.

    Put in OpenVix speak - as I asked above What is the Difference /advantage/when to use between:loop through or equal to lnb settings??
    Loop through is if you only have 1x satellite wire from your sky dish.
    Equal is to use same details you’ve inputted for Tuner A, so Tuner B is equal to Tuner A.


    Sent from my iPhone using Tapatalk
    Vu+ Ultimo 4K with 3TB HDD, Dual FBC (Sat) tuners, 1x Twin Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 4K with 1TB HDD, Dual FBC (Sat) tuners, 1x Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 2 with 1TB HDD 'White Edition', 2x DVB-S2 tuners
    Mut@nt HD2400 with 1TB HDD, 4x DVB-S2 tuners
    Fixed 28.2E Technomate 65cm Mesh Satellite Dish with Inverto Unicable II/JESS LNB and Inverto Unicable Splitter
    Fixed 28.2E Sky Zone 1 45cm Satellite Dish with Octo LNB
    (All receivers installed with the latest Dev build)

  14. #13

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    Thanks for the info.

    I have a question/scenario (of course)

    1 satellite dish with one unicable 2 LNB.

    Sat receiver #1 has FBC tuners, and supports Multistream.

    Sat receiver #2 has FBC tuners, and does not support Multistream.

    What can sat receiver #1 do that receiver #2 cannot do?

    Thanks.

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  16. #14

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    I'm bumping this post

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    If both tuners are pointed at 28e then there wont be a difference. 5W has quite a few multistream transponders - have a look at sites like kingofsat for details
    Zgemma H7S running OpenVIX 6.2, Darkmotor, Triax TD110 dish, Inverto Black Ultra dual lnb
    LG 50UM7450 4K TV, Pioneer VSX-534 Atmos AVR , Panasonic UB820 region free 4K Bluray & a PS4.

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