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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!newsfeed.direct.ca!nntp.portal.ca!news.bc.net!info.ucla.edu!csulb.edu!hammer.uoregon.edu!arclight.uoregon.edu!netnews.nwnet.net!news-hub.interserv.net!news.interserv.com!news From: Enoch Wu <enochw@scn.org> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Almost in PPP land but something is odd. Date: Mon, 06 Jan 1997 10:21:57 -0800 Organization: InterServ News Service Lines: 36 Message-ID: <32D142C4.3DF9@scn.org> References: <32C707DF.5A75@eskimo.com> <5agh11$6fa@uriah.heep.sax.de> <32CC7F6D.2B8E@eskimo.com> <5ajt2f$fnk@uriah.heep.sax.de> NNTP-Posting-Host: ralph.ci.seattle.wa.us Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0Gold (Win95; I) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:33616 J Wunsch wrote: > > Enoch Wu <wue@eskimo.com> wrote: > > > > > SIGHUP > > > > PPP terminated > > > > > > > > At that same instant, I noticed the modem dropped the DTR light. It is > > > > as if PPP was telling the modem to drop DTR signal. Why ? > > > > > > No, ``SIGHUP'' means the modem dropped carrier. > > > But DTR is a control signal issued from the CPU. DTR signal always > > flows from CPU to modem. > > Sure, but the logged ``SIGHUP'' shows that it was the modem dropping > carrier. In the course, PPP closed the line, and this in turn takes > DTR down. But this was already a few hundred milliseconds after your > modem line broke. (If PPP had closed the line first, and therefore > forced the hangup, it wouldn't have received a SIGHUP in turn, since > the tty was already closed.) > > -- > cheers, J"org > > joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE > Never trust an operating system you don't have sources for. ;-) Hi, Thank you for your help and thanks to all who helped me via the internet. I now have my user PPP working correctly via PPP's term. I will eventually make it run in the "on demand" mode. --EW --