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From: gonzalez@vax.bbn.com
Newsgroups: comp.sys.masscomp
Subject: Re: HPSM problems
Message-ID: <3206@soma.bcm.tmc.edu>
Date: Tue, 15-Sep-87 12:56:23 EDT
Article-I.D.: soma.3206
Posted: Tue Sep 15 12:56:23 1987
Date-Received: Thu, 17-Sep-87 04:23:36 EDT
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In-Reply-To: Your message of Thu, 10 Sep 87 20:42:56 -0400.


Peg Bailey in Customer Service gave me the answer I needed.  The HPSM is
much more picky about control lines than most RS-232 implementations I've
seen.  Once DSR and DCD were asserted, I was able to open the port and I
was able to do ioctl's once CTS was asserted.  Apparently, Masscomp still 
doesn't have a formal description of the HPSM for customers to use, so this 
problem pops up on the hotline all the time.

By the way, is there a list of special interest groups around?  The MUS
application asks what groups one might be interested in, but doesn't list 
which groups exist.  Our group does ship-based applications, so I have an
interest in groups covering graphics, data acquisition, etc.  Also, I'd
be interested in comparing notes on field operations (packing, power line
conditioning, salt spray, ship motion, etc).

				-Jim Gonzalez	gonzalez@bbn.com
				BBN Labs, Inc.
				Cambridge, MA