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From: ker@mtuxn.UUCP (K.ROSER)
Newsgroups: net.micro.att
Subject: Using built-in PC7300 modem.
Message-ID: <591@mtuxn.UUCP>
Date: Tue, 23-Jul-85 21:03:07 EDT
Article-I.D.: mtuxn.591
Posted: Tue Jul 23 21:03:07 1985
Date-Received: Thu, 25-Jul-85 06:09:06 EDT
Organization: AT&T Information Systems, Holmdel NJ
Lines: 20

I'm having trouble controlling the modem in the pc7300.
I have sucessfully written C code to use the dial(3) routine
to call another data set, thanks to some hints seen on this board.
The problem occurs when I try to use the termio structure for defining
the attributes of the line.  It seems that what I change in this
structure has no effect on the modem.  This code I am using
does work on a 3b20, 3b5 and vax11/780.   I have set up the call
structure and added the line:
	call.attr = &remopt;	/* remopt is a termio structure */

The remopt structure was initialized before the above line.

I've also noticed that when using cu(1) on the pc7300 with the -o option
the odd parity isn't generated as in the following line:
	cu -s1200 -o -l/dev/ph1 9=5551212

Is there some problem in the pc or is it me?
Would appreciate telephone replys as I have a deadline to meet!
Ken Roser, AT&T Information Systems, Gateway Twoo, Newark, NJ
201-468-6413