Subj : ET phone home
To : Nick Andre
From : Roger Nelson
Date : Fri Jan 13 2017 07:17 am
On Thu Jan-12-2017 09:06, Nick Andre (1:229/426) wrote to Roger Nelson:
NA> On 12 Jan 17 06:59:08, Roger Nelson said the following to Nick
NA> 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> 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.
NA> The modem doesn't know that. Its job is just to keep carrier until
NA> its told not to. Either by the other side dropping carrier or due
NA> to a software procedure call or a hardware reset.
In that event, and if one is aware of it, a terminal program could be run and
the command ATH0=0 could be issued which might fix that problem (maybe). It's
been a long time for me and modems, so that AT command may be slightly wrong.
