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  Satellite Internet forum › Satellite Connection in Africa › iDirect 3100 modem pointing issues
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iDirect 3100 modem pointing issues

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Leke
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Jun 27th, 2008 at 5:39pm  
Hi,
I have an iDirect 3100 modem. I have rx lock but the voltage from the pointing tool and snr flunctuates crazily. It just goes from 10.7 to 9.3 to 8.4 and then 7.9 and the automatically back to 10.8 it  does this irrespective of the weather even on bright sunny days.

I have tried another lnb without success. I have changed cables no way. Please what can I do.

Leke Akinola
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« Last Edit: Jun 28th, 2008 at 8:04pm by Admin1 »  
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Reply #1 - Jun 27th, 2008 at 10:42pm  
Check to see if the iDirect is seeing the same voltage fluctuations by typing rx snr from the prompt in telnet.  Try it several times and note any variance.  If you observe SNR variance on the iDirect you have an issue in your receive cabling or on the receive side of the idirect modem (or the Hub is having issues, but that is the least likely scenario).
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Leke
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Reply #2 - Jun 28th, 2008 at 11:57am  
Thanks for the reply.

Yes I have tried telnet and I get exactly the same thing. what can go wrong with the receive side of the modem and how do i check to confirm.

thanks.

leke
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Reply #3 - Jun 28th, 2008 at 1:24pm  
I would venture to say you have a hardware problem with the modem itself or the receive cabling is going bad.  Can you replace the cabling?
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Leke
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Reply #4 - Jul 3rd, 2008 at 12:07pm  
Hi Mike,

thanks for your help. But I think I have an idea what was wrong with the installation. I got another feedhorn complete with lnb and tried it on the dish. It worked perfectly and I observed it for about an hour with cable A. But later I tried the second Cable B and the working lnb started behaving like the first lnb I was using and I think I have damaged the second lnb too.

So I think its the cable that has problem but please how does a bad lnb behave.

Thanks.

Leke
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