Date: Wed, 6 Aug 2014 10:45:36 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Julien Cigar <jcigar@ulb.ac.be> Cc: steve@sliderule.demon.co.uk, freebsd-questions@freebsd.org, g.lister@nodeunit.ch Subject: Re: switch serial connection Message-ID: <alpine.BSF.2.11.1408061039300.49879@wonkity.com> In-Reply-To: <20140806063017.GE74890@mordor.lan> References: <20140804114628.GA74890@mordor.lan> <53DF8C3B.6090207@sliderule.demon.co.uk> <20140805193441.GB74890@mordor.lan> <6jn6tz.n9vd53.1hge13n-qmf@nodeunit.com> <20140806063017.GE74890@mordor.lan>
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On Wed, 6 Aug 2014, Julien Cigar wrote: > On Wed, Aug 06, 2014 at 05:12:38AM +0000, g.lister@nodeunit.ch wrote: >>> >>> nop :( doesn't work, the screen just "hangs" .. >>> is there a tcpdump-like tool to debug a serial connection? >> >> Is this the correct speed (baud rate) for the connection? > > Yes (if I can trust the manual..) Make certain both ends of the connection are expecting the same type of handshaking, either hardware or software. The cable may also be suspect, because requirements vary for how DTR/DSR and other signals are wired. The simplest is software handshaking and a three or four-wire cable. That cable might still need pins tied together on one or both ends, depending.
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