Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!rice!sun-spots-request
From: tomk@attctc.dallas.tx.us (Tom Karches)
Newsgroups: comp.sys.sun
Subject: Any way to SAFELY power low-power +12 volt devices from serial port?
Keywords: Hardware
Message-ID: <5063@brazos.Rice.edu>
Date: 14 Feb 90 23:13:03 GMT
Sender: root@rice.edu
Organization: Sun-Spots
Lines: 13
Approved: Sun-Spots@rice.edu
X-Sun-Spots-Digest: Volume 9, Issue 48, message 2

Is there any way to draw 12 volts at low current levels from a Sun serial
port?  On the Macintosh RS-422 serial ports, this can be done, even though
Apple does not recommend it.  I fully understand the problems that this
could cause if not done carefully and correctly; i.e. don't flame me for
asking.

Thanks in advance,

Tom Karches

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