[Nut-upsuser] sweex 1000VA LB OB issue

Herman herman at ofzo.nl
Sun Jan 28 19:05:09 CET 2007

  Arjen de Korte schreef:
> Herman wrote:
>>> Are you absolutely sure that the UPS is connected to /dev/ttyS0? The
>>> fact that the driver is reporting "OB LB" may also mean nothing is
>>> connected to the port.
>> Thank you for your fast reply,
>> Yes i am quite sure my Sweex UPS 1000VA is connected to the correct
>> port. This port is also owned by the NUT user.
>> I have tested this by connecting a modem and sending an AT commando to
>> it. It happily replayed with OK.
> That should be enough. OK, the port is right. What about the cable, you
> did use the one provided with the UPS I guess, since you also used it
> with the Windows software (with the same cable?)
>> Also i have connected the UPS to a windows machine. The bundled software
>> worked on that machine UPSmart 2.14. The linux software on the CD wasn't
>> useful since i don't run X. The manual  i got with the UPS was a
>> complete waste of time. It was written for a different version software
>> i guess you would call it the "safenet" protocol.
>> This suggests that  sweex  doesn't know what UPS'es they are actually
>> shipping. Or to stupid to include the right manual..
> Spot on. I have told them this more than two years ago, but apparently
> they just don't care about it. They are notorious for not caring at all
> about this... :-(
> Could you try to snoop the serial communication between Windows driver
> and the UPS? The following link will point you to some software that may
> aid in this:
> http://www.microsoft.com/technet/sysinternals/Utilities/Portmon.mspx
> If you post the first 10 seconds of output, someone might be able to
> figure out what protocol is used and if we have a driver for it.
> Best regards, Arjen
I am sorry i have to give up this early but its already working with the 
mustec/megatec driver. If your still interested in the serial logging 
output i will be glad to offer it to you.

greetings and many many thanks,


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