DiSEqC Configuration: Neli TNTSat Receiver

[Huevos]

Is there a monoblock that is configurated inversely, i.e. A=Astra, B=Hotbird?

Just follow Rolf's advice, or, as I said above use separates and a switch.

 

[keenite]

Yes, I know I can do that, but your response doesn't answer my question.

 

[rolfw]

To answer your question, there possibly are monoblocs with port labeling the other way around, but no idea which ones.

 

[keenite]

Thanks Rolf.
A member of another forum suggests I check out the "Edision Monoblock", as apparently its A/B switching is in reverse. I'll report back here if this indeed true.

 

[BlindFaith]

If you install the monobloc upside down and move to the other LNB as the centre...

That was missing in your 1st reply ;)

 

[keenite]

Thank you all for your input. If I can't find an Edision Monoblock Twin, then I'll go the upside-down route.
Have found an Edision Monoblock single, but no twin yet, seems they are no longer manufactured, at least as far as I can tell.

 

[keenite]

Have since ascertained that this problem is related to monoblock switching, in particular the fact that Neli's diseqc only works with two seperate LNBs, but not with a monoblocke - go figure...

 

[Lazarus]

Figure indeed >> There is no essential difference!

To switch separate LNBs obviously requires a separate DiSEqC switch with a cable from Port A to LNB A and another cable from Port B to LNB B.

But a Monoblock is no more, or less, than LNB A, LNB B and the DiSEqC switch in one container.

The protocol is identical, so surely must work?

(And, in both cases, the absence of a switching command will cause Port A to be selected by default)

Unless, of course, the DiSEqC switch in the Monoblock is faulty.

 

[keenite]

Not so I'm afraid. The user manual expressly states that the receiver functions only via a diseqc switch and only with 'one cable per satellite' (à condition d’utiliser un câble d’antenne par satellite connecté,
chaque câble étant connecté à un commutateur DISEqC à 2 ou à 4 entrées, lui même connecté à l’entrée antenne satellite de la base).
So there would indeed appear to be a difference between a monoblock and external diseqc switch.

 

[Lazarus]

Can you please post a pic or three of the rear panel of the Receiver and of your Monoblock - there is something mysterious going on here!

A Monoblock is an external DiSEqC switch, to all intents and purposes.

My French is not brilliant, but as far as I can tell the User Manual info says nothing unusual and does not preclude a Monoblock, which fits the requirements nicely: The two cables connecting to 2 Ports of a DiSEqC switch is integral to the Monoblock casing and the whole then connected by a single cable to the Satellite Input of the Receiver.

Google Translate confirms.

So we really need pics of the relevant bits and pieces in order to make progress in unravelling the mystery, just in case we've missed something obvious.

 

[Lazarus]

I see you have another related Topic open

http://www.satellites.co.uk/forums/topic/158726-diseqc-configuration-question/?view=findpost&p=845796


Other readers might find it of use to take a quick look as it may well have a bearing in the issue in this Topic. I've only just noticed it myself.

 

[Lazarus]

Seemingly related issue here

http://www.satellites.co.uk/forums/topic/158736-not-receiving-lequipe-24-rmc-decouverte-numero-23-via-tntsat/?view=findpost&p=845898

 

[Lazarus]

Another idea: CAn you please report the parameters of the missing Channels as stored in your Receiver?

ie Select one and press something like an "i" button and note the frequency, polarity and symbol rate.

I am wondering if there has been a change of Transponder (or similar) since the Receiver was manufactured.

It's very common indeed for pre-stored lists to be out of date.


That said, one of the advantages of a Platform based Receiver is to remove the need to be aware of parameter changes, so I'm just clutching at a straw here.

 

[keenite]

Have since identified the problem.
Here again the Neli has a problem with the monoblock. For some reason, my monoblock (Hotbird = A, Astra = B ) was not able to receive those channels using my current configuration, even though all other channels were fine. When I turned the dish such that Astra was receiving the signal in the "A" position, the three stations then appeared.

 

[keenite]

<div>Initially thought that there were two separate issues here, as it turns out, both problems are related to the Neli/monoblock issue. See my latest posting
http://www.satellites.co.uk/forums/topic/158736-not-receiving-lequipe-24-rmc-decouverte-numero-23-via-tntsat/


</div>

 

[Lazarus]

That's not so much a Monoblock problem per se, but an installation issue - as per your other Thread. (Ah, no - as per this Thread: Having two related ones running leads to confusion ...............)

Have you assigned the Ports correctly in your Receiver's Menus? If so, the other possibility as a root cause is, as mentioned in the other Thread, a failure of your specific Monoblock

Also stated in the other Thread, there is no innate reason at all for a Monoblock not to work as it fully and completely meets the DiSEqC switching requirements posted earlier. Indeed, that's why we have the various DiSEqC protocols (1.0, 1.1, 1.2, 2.0 etc) - to ensure components such as external switches (Including integral ones as in Monoblocks), motors etc are compatible. Consequently, incorrect behaviour almost certainly is due to incorrect configuration and/or installation.

Anyway, you appear to have cracked it now, which is the main thing.

 

[keenite]

The Neli/monoblock problem is well known and has been widely discussed on French language sat forums. Others have had the same experience, i.e. no matter which monoblock (except when A/B positions are reversed), there are switching problems. This leads me to believe that the Neli is configured differently in terms of how it switches. Others have commented that TNTSAT (Canal+) does this on purpose to make it harder to receive other satellites with this receiver. While this could be a conspiracy theory, it could also be true.

 

[sonnetpete]

I've found the following specifications about a Neli receiver (if it is the same one that's under discussion)

http://bfsat.fr/home/1590-neli-sat-multi-tv-tnt-fransat-coffert-base-3760191350076.html

It does state DISEqC 1.0.....and I thought to enable switching it had to be DISEqC 1.1?

 

[PaulR]

See my latest posting

That's this thread! We could end up in a black hole of improbability if we keep following the link.

 

[Lazarus]

I've found the following specifications about a Neli receiver (if it is the same one that's under discussion)

http://bfsat.fr/home/1590-neli-sat-multi-tv-tnt-fransat-coffert-base-3760191350076.html

It does state DISEqC 1.0.....and I thought to enable switching it had to be DISEqC 1.1?

DiSEqC 1.0 permits switching of up to 4 sources.

And that's what the Neli destructions conform to, as well.

DiSEqC 1.1 allows up to 16 sources.




@PaulR: I was tempted to merge the Threads earlier, but chose not to as the matter seemed to have reached some sort of end!