Subj : Re: ET phone home
To   : Roger Nelson
From : Nick Andre
Date : Thu Jan 12 2017 09:06 am

On 12 Jan 17  06:59:08, Roger Nelson said the following to Nick Andre:

NA> Not necessarily. A system crash, or more specifically a DOS program that
NA> just decides to give-up... does not automatically drop the carrier signal
NA> on a COM port unless its told to do so or a hard-reset is done.
RN>  
RN> It just seems to me that if the program that was using the modem crashed,
RN> there would no reason for the modem to continue the carrier.

The modem doesn't know that. Its job is just to keep carrier until its told 
not to. Either by the other side dropping carrier or due to a software 
procedure call or a hardware reset.

Nick

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