Subject: Re: Serial ports on 3/50
To: Geert Bosch <geert@sun3.iaf.nl>
From: Curt Sampson <curt@portal.ca>
List: port-sun3
Date: 10/22/1995 21:02:56
On Sun, 22 Oct 1995, Geert Bosch wrote:

> It turned out to be the Carrier Detect which was
> the problem: if you don't connect it at all everything works allright,
> but when it's connected to your modem, you'll only be able to write to
> the serial port when the Carrier Detect is high, which is really 
> troublesome with modems because most applications expect Carrier Detect 
> to be high only when a connection has been established.

The application should set CLOCAL when it opens the modem port if it
needs to dial the modem.

cjs
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