[Nut-upsdev] [Nut-upsuser] Mustek PowerMust 848

[Arjen de Korte]

Citeren Adrian Czerniak <adrian.czerniak at becomo.com>:

>> 1) The UPS is implementing a *very* old version of the Megatec
>> protocol and uses the 'D' command to query for status information
>>
>> (this was obsolete back in 1996 already). Please try if changing
>> line  426 from
>>
>> 	ser_send_pace(upsfd, SEND_PACE, "Q1%c", ENDCHAR);
>> to
>> 	ser_send_pace(upsfd, SEND_PACE, "D%c", ENDCHAR);
>>
>> will get us an answer from the UPS. Most likely, we won't be able to
>>  parse the reply, but for the moment we just want it to talk to us.
>> Make sure you run it in -DDDDD debug mode.
>>
>> 2) It doesn't use the Megatec protocol. In that case, you'll have to
>>  use 'usbsnoop' (search Google) while running it with the (bundled?)
>>  Windows software to see if we can figure out if this is a familiar
>> protocol or that we need something completely new.
>>
>> In any case, we'll take this to the development mailinglist. Please
>> answer there.
>
> Unfortunately, suggested change in source code doen't seem to fix anything:

[...]

And what about suggestion #2? I'm starting to doubt that this device  
speaks Megatec...

Best regards, Arjen
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