Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!rice!sun-spots-request
From: cadlab!zhao@uunet.uu.net (Rui Zhao)
Newsgroups: comp.sys.sun
Subject: serial interface programming
Keywords: Hardware
Message-ID: <5985@brazos.Rice.edu>
Date: 20 Mar 90 13:33:14 GMT
Sender: root@rice.edu
Organization: Sun-Spots
Lines: 10
Approved: Sun-Spots@rice.edu
X-Refs:  Related: v9n48
X-Sun-Spots-Digest: Volume 9, Issue 95, message 2

To control a device connected to the /dev/ttya serial interface of a sparc
station, -12 volt is needed to pin 4.  Does anybody have a idea, how can I
do it with Software?  Is it possible at all?

[[Ed's Note: You might be interested in v9n48, the odds don't look
favorable. -bdg]]

Rui Zhao

e-Mail: zhao%cadlab@uunet.uu.net     or     zhao@cadlab.uucp