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Date:      Thu, 20 Nov 1997 21:52:26 -0800
From:      "David E. O'Brien" <obrien@NUXI.com>
To:        Timothy J Luoma <luomat@peak.org>
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: SCSI chain problems (probably me)
Message-ID:  <19971120215226.20748@relay.nuxi.com>
In-Reply-To: <199711210347.WAA16335@luomat.peak.org>; from Timothy J Luoma on Thu, Nov 20, 1997 at 10:47:47PM -0500
References:  <199711210303.WAA14627@luomat.peak.org> <19971120191713.22210@relay.nuxi.com> <199711210347.WAA16335@luomat.peak.org>

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> > So your choices are DB-50, Centronics-50, Mini-50 (is there a more proper
> > term for this one?), etc.
> 
> Well it's not entirely meaningless, since I have ordered cables and gotten  
> them by using that reference.  Could be they just knew what I was talking  
> about even if it wasn't technically correct (or what most people wanted

Not to arguing, but this is from the SCSI FAQ:

In an extensive survey of cables available in the US and Europe, we
found that more than half of the cables available have single-ended
impedances in the 65 to 80 Ohm range -- below the 90 to 132 Ohms
specified in the SCSI-2 spec.  It seems that some (not all) cable
vendors do not understand the specification, describing their cables
as SCSI-2 compliant when they are not.  A common misconception is that
SCSI-2 means a high-density connector.  In fact, there are several
connector options.

Enjoy!

-- 
-- David    (obrien@NUXI.com  -or-  obrien@FreeBSD.org)
            James says:  "Grad school sucks."



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