Subj : Re: DTR Output on COM port
To   : borland.public.cpp.borlandcpp
From : Jack Sawatzky
Date : Thu Jul 28 2005 09:31 pm


>One thing you're doing wrong is looking at DSR, which is an input :-)  You
>might have better luck with pin 4 on a 9-pin connector, or pin 20 on a
>25-pin connector.
>
>HTH,
>Bill
>
>
>  
>
Hi Bill,
Actually I made a mistake in my query.  It IS pin number 4 on the DB9 
that I was
monitoring with my meter, and getting nothing but  0 volts.  So the 
basic question
remains.
Jack

.