Date: Mon, 29 Oct 2001 12:56:26 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> 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 Message-ID: <12793.1004356586@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 29 Oct 2001 12:40:49 %2B0100." <3BDD4040.474429BE@webgiro.com>
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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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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