From owner-freebsd-hackers  Mon Oct 29  3:57:30 2001
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To: Andrzej Bialecki <abial@webgiro.com>
Cc: "Julian Stacey Jhs@jhs.muc.de" <jhs@jhs.muc.de>,
	marjan.mihelin@kclj.si, hackers@FreeBSD.ORG
Subject: Re: Fiskars UPS 
In-Reply-To: Your message of "Mon, 29 Oct 2001 12:40:49 +0100."
             <3BDD4040.474429BE@webgiro.com> 
Date: Mon, 29 Oct 2001 12:56:26 +0100
Message-ID: <12793.1004356586@critter.freebsd.dk>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <3BDD4040.474429BE@webgiro.com>, Andrzej Bialecki writes:
>Poul-Henning Kamp wrote:
>> 
>> In message <200110270910.f9R9AD328192@jhs.muc.de>, "Julian Stacey Jhs@jhs.muc.d
>> e" writes:
>> >"doc. dr. Marjan Mihelin, dipl. ing." wrote:
>> >> Hello,
>> >> We are using from 1993 Fiskars UPS 0.8 A UPS unit
>> 
>> Fiskars is part of Invensys/Powercom these days.
>
>Together with a co-worker we reverse-engineered the protocols for ca. 6
>different types of Fiskars UPSes - all of them used different packet
>formats, even different speeds and parity (!). We couldn't get any docs
>from them to help us, only a lousy Win* program... Keep that in mind the
>next time you go shopping for a UPS.

Yeah, you can't even trust their SNMP interface to get it right :-(

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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