Date: Sat, 21 Jun 1997 22:33:03 +0000 (GMT) From: Adam David <adam@veda.is> To: terry@lambert.org (Terry Lambert) Cc: terry@lambert.org, freebsd-current@FreeBSD.ORG Subject: Re: getty modem control Message-ID: <199706212233.WAA19957@veda.is> In-Reply-To: <199706212127.OAA27870@phaeton.artisoft.com> from Terry Lambert at "Jun 21, 97 02:27:21 pm"
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> > > > I'm not making any progress with using the modem init string capability. > > > > (DTR lights up but there is no flicker on TXD) > > > > > > Look at the CTS/RTS settings, and how they effect the modem and > > > UART in the DCD-not-present state, in particular. > > > > Are you saying I need a special cable because the software is a hack, > > or am I misconfiguring the software? > > No. I'm saying that CTS/RTS may be active, even in the absence of > DCD. If so, this modem is either broken, or misconfigured. > > Typically, command interchange with a modem does not involve data > exchanges larger than the buffer size. The CTS/RTS should not be > required until DCD is high, and thus the modem is doing data, not > command, interchange. > > Typically, the symptoms are "no data back from modem until DCD > is present". If you can't change the modem settings, then you > will be limited to blind-dialing in all cases. I can cu the device and get a normal response without carrier present. However, getty times out trying to send the data, with no flicker on the modem TXD. -- Adam David <adam@veda.is>
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