Path: news.mitre.org!blanket.mitre.org!philabs!newsjunkie.ans.net!newsfeeds.ans.net!bignews.mediaways.net!news-han1.dfn.de!news.uni-paderborn.de!fu-berlin.de!cpk-news-hub1.bbnplanet.com!news.bbnplanet.com!ais.net!newsfeed.concentric.net!global-news-master From: Stuart Brook Newsgroups: comp.sys.dec Subject: Re: HELP, my modem doesn't like me. Date: Tue, 16 Dec 1997 21:35:03 -0700 Organization: Concentric Internet Services Lines: 51 Message-ID: <34975677.6C0@concentric.net> References: <676ql6$c38@bgtnsc02.worldnet.att.net> <1997Dec16.200002.1@eisner> Reply-To: sbrook@concentric.net NNTP-Posting-Host: ts003d17.col-co.concentric.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.04Gold (Win95; U) Brian Schenkenberger, VAXman- wrote: > > In article <676ql6$c38@bgtnsc02.worldnet.att.net>, Kevin Landry writes: > > I have a US Robotics Modem attached to the serial port TTB0: on my > > Alpha (VMS 7.1). I am running into problems connecting. If I connect > > and log off normally then HANG UP, I can reconnect to the modem and log > > in by simply redialing and pressing enter to rec'v USERNAME etc. > > If I log off and press and the USERNAME prompt is displayed and > > then I HANG UP, if I then try to redial and log on again, my modem will > > pickup and connect, but pressing will NOT let me log in. It is as > > if the Alpha is allocating the serial port for a login or something. > > Yet, if I show that terminal port, it is not allocated. If I turn > > off/on the modem, I can then dial in normally. > > Any suggestions would be geatly appreciated. Thanks. OK ... whatever the quality of the modem, it doesn't really matter, after all DEC modems weren't the best quality, but they worked. The problem you are having will occur with any modem that is in Hayes type AT mode. You need to set it up to work the RS232 signals correctly. So, connect to the modem by doing a SET HOST/DTE TTAn: Then set up the modem as follows ... AT&C1 (Normal carrier detect operation ... default is often forced AT&D2 (Normal DTR operation .... default is usually forced AT&S1 (Modem controls DSR ... default is usually forced AT&H2 or AT&H3 (XON/XOFF Flow control ... don't normally use hardware ATQ1 (Disable result codes ... default is enabled ATE0 (Disable echo ... default is echo AT&W1 (Save these settings as protocol 1 ATY1 (Use protocol 1 on reset and power up ^\ to return to the host. Now you have a modem that looks like a modem that obeys the RS232 standards as implemented by Digital. The problems are multifold ... but basically Digital terminal drivers did not implement the Hayes protocols. So the modiem must be set up correctly To get the factory conditions connect and type ATZ0 to get the "Digital" setups type ATZ1 Good luck! Stuart