Path: utzoo!utgpu!watmath!clyde!att!chinet!mcdchg!ddsw1!indep1!pete
From: pete@indep1.UUCP (pete)
Newsgroups: comp.unix.wizards
Subject: Re: Hung up port
Summary: setting the baud rate to 0 usually drops DTR
Keywords: How do I disconnect line remotely?
Message-ID: <310@indep1.UUCP>
Date: 27 Nov 88 21:49:21 GMT
References: <345@hrc.UUCP>
Organization: indep1, Libertyville, IL
Lines: 10

In article <345@hrc.UUCP>, dan@hrc.UUCP (Dan Troxel VP) writes:
> How to I drop DTR on the modem from a remote site, ie: not
> having to go the the computer room, and physically reset the modem to 
> disconnect the line? I have a feeling that you can use stty, but it
> fails me to recall how to do this.

Try setting the baud rate to 0 on the modem line.  It works for me (using
System V/R2).

Pete