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Date:      Tue, 25 May 1999 11:30:58 -0400
From:      W Gerald Hicks <wghicks@bellsouth.net>
To:        Terry Glanfield <terry@program-products.co.uk>
Cc:        freebsd-questions@FreeBSD.ORG, Thomas David Rivers <rivers@dignus.com>, wghicks@wghicks.bellsouth.net
Subject:   Re: console terminal server and power loss 
Message-ID:  <199905251530.LAA81489@bellsouth.net>
In-Reply-To: Your message of "25 May 1999 14:45:46 BST." <eg14ltg8l.fsf@program-products.co.uk> 

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> >  I may be wrong, but I thought a <break> on an RS/232 was a 25ms
> > drop in the +5v line.  When the power goes out, that will be the
> > case... so, you get your break.  There's not much you can do
> > about that...
>
> That's what I suspected.  Do you know which line the +5v is and wether
> it is constantly +5.  It sounds ugly but maybe I could hold it steady
> with a small battery.

RS232 isn't 5 volts, It swings from -12 to +12 although the 'spec' allows
for a wide tolerance.

Cheers,

Jerry Hicks
wghicks@bellsouth.net


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