Some questions about OpenBSC / BS-11

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openbsc at elxsi.de openbsc at elxsi.de
Mon Aug 31 12:34:20 UTC 2009


Hi,

thanks for your replies. It was a problem with the old misdn stack.
Seems to work fine now :)


Best regards,
Martin

On Mon, Aug 31, 2009 at 01:27:57PM +0200, Dieter Spaar wrote:
> Hello Sergey,
> 
> On Mon, 31 Aug 2009 15:11:26 +0400, "Sergey V. Efimoff" <risky at mail.ru> wrote:
> > 
> > What type of E1 adapter do you use? If you use an accurate clock source,
> > Work and Set values should be similiar (I have Set Value 1024, Work value 1023,
> > and I've used Nateks E1 SDH Mux with High-Stability Stratum oscillator when
> > calibrating). See http://bs11-abis.gnumonks.org/trac/wiki/isdnsync
> 
> The observed difference of "Work Value 1104" and "Set Value 1082" should
> be no problem. From my measurements a difference of about 100 of those
> values means about 0.1 ppm. And 0.1 ppm is good enough that most phones
> should see the BS-11 and the offical networks.
> 
> I guess there is some other problem, I would also check if bs11_config
> shows that the TRX is loaded. And maybe start with a configuration file
> which uses only one TRX.
> 
> Best regards,
>   Dieter
> -- 
> Dieter Spaar, Germany                           spaar at mirider.augusta.de





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