Date: Mon, 9 Nov 1998 16:30:22 -0800 (PST) From: Doug White <dwhite@resnet.uoregon.edu> To: abimana <abimana@cids.org.za> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: How to Set the TX line at -12 v (High) on a serial line Message-ID: <Pine.BSF.4.03.9811091629410.3471-100000@resnet.uoregon.edu> In-Reply-To: <36404890.6A631CFF@cids.org.za>
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On Wed, 4 Nov 1998, abimana wrote: > I am writting a code for a UPS and would like to use the TX line on a > FreeBSD machine serial port as the reference level for the UPS. Do > someone know how to set permanently to 1 the TX line ? . The hack^H^H^H^Hsolution I've seen is to send a break or a series of NULs; hopefully the device doesn't notice the intercharacter delay :) Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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