MBCCU0: No Load

historical

Hello Harald,

Ok, lets replace the BTS.
Looks like the BTS is broken.... :(

I haven't found time yet to flash the 3 BS11 at the lab.

Tell me a time/date and I will be at the storage house. (Holzhauser)

Best regards
Björn

Am 27.04.2009 um 09:20 schrieb Bjoern Heller:

> Hello,
>
> I have tried the second TRX.
> During the setup of TRX1 on LMT the second also goes down to No Load.
>
> PHASE: 3 Normal               MBCCU0: No Load     MBCCU1:  
> Load        Abis-link: Up
>
> and then after setup:
>
> PHASE: 3 Normal               MBCCU0: No Load     MBCCU1: No  
> Load        Abis-link: Restoring
>
> I hope its not the BS11 that is broken.
> Maybe its the software?
>
> Best regards
> Björn Heller
>
>
>
> Am 24.04.2009 um 21:47 schrieb Harald Welte:
>
>> On Thu, Apr 23, 2009 at 09:13:43AM +0200, Bjoern Heller wrote:
>>> Hello Dieter,
>>>
>>>> You did turn the power off for a restart, just to be sure ?
>>> Yes, of course ;)
>>>
>>>> If the firmware for the first TRX is not loaded, the Abis
>>>> communication will still work because the microcontroller
>>>> which takes care about the commnunication is working. The
>>>> error messages result from the not working TRX (I guess
>>>> it would work if TRX1 instead of TRX0 is used, however I
>>>> have not tried it yet).
>>>
>>> What do I have to do to use the second TRX instead?
>>
>> you have to hack the OpenBSC code to assume '1' is the first
>> TRX in the BTS, rather than 0.  This probably needs to be done
>> at least in the channel allocator, as well as the c0 pointer in  
>> sturct gsm_bts
>>
>>> Plug in the other Twinax connectors?
>>
>> no, there is no change in connectors.
>>
>>> Do I need to setup the second TRX separately on LMT?
>>
>> according to your bs11_config mail it seems like it is correctly  
>> set up.
>>
>> As for what seems to be a hardware problem: You can obviously get a  
>> different
>> BS-11 from me, if you can take care of the transportation.
>>
>> Please note I'll not be in Berlin from May 4 through May 26, so we  
>> should
>> probably do that before I leave.
>>
>> Regards,
>> -- 
>> - Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> = 
>> =====================================================================
>> "Privacy in residential applications is a desirable marketing  
>> option."
>>                                                  (ETSI EN 300 175-7  
>> Ch. A6)
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> Björn Heller
> Jabber: tec at jabber.hellercom.de
>

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Björn Heller
Jabber: tec at jabber.hellercom.de

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