Date: Thu, 20 May 2004 19:47:03 +0800 From: wsk <wsk@gddsn.org.cn> To: Ian Smith <smithi@nimnet.asn.au>, net@freebsd.org Subject: Re: cuaa0&ttyd0's bug? Message-ID: <40AC9AB7.6070109@gddsn.org.cn> In-Reply-To: <Pine.BSF.3.96.1040520033126.20131C-100000@gaia.nimnet.asn.au> References: <Pine.BSF.3.96.1040520033126.20131C-100000@gaia.nimnet.asn.au>
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Ian Smith : >Define the wiring of null-modem cable? DTR (tied to DSR) asserts CD the >other end, either way? RTS asserts CTS the other end, either way? > > > > > The behavour is intentional. > > Your cable doesn't supply DCD signal. > >Or it does, but RTS/CTS aren't wired right? (if used .. so many options!) > > > Either use a cable with DCD suport or stay with cuaa. > > It's OK to use cuaa if you don't need dialout support. > >Still depends on how cuaa0 and ttyd1 are defined, no? > >Cheers, Ian > > > > yep,It's my null-modem cable's probem O:-) ,and it works excellents with another null-modem!thanks again!
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