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Article #6357Re: Sparcstation serial port
From: Gary Sanders
Date: Thu, 10 Sep 1992 19:07
Date: Thu, 10 Sep 1992 19:07
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In article <1992Sep9.203550.25943@athena.cs.uga.edu> mcovingt@athena.cs.uga.edu (Michael A. Covington) writes: >Can anyone tell me anything about the internal circuitry of the serial >port in a Sparcstation? > >Also, am I right in thinking Sparcstation serial ports output + and - 5 V >rather than the usual 9 to 12 volts on an RS-232 port? The Sparcstation 2 (and I think 1/1+) has a jumper on the mother board to select RS232 or RS423 signaling levels. -- Gary W. Sanders (N8EMR) gary.w.sanders@att.com AT&T Bell Labs 614-860-5965
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arc1-ca.pugleaf.net!sparky!uunet!sun-barr!ames!elroy.jpl.nasa.gov!swrinde!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!cbnews!gwssun!gwsReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!ames!elroy.jpl.nasa.gov!swrinde!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!cbnews!gwssun!gws From: gws@gwssun.att.com (Gary Sanders) Newsgroups: sci.electronics,comp.sys.sun.hardware Subject: Re: Sparcstation serial port Message-ID: <1992Sep10.190720.2377@cbnews.cb.att.com> Date: 10 Sep 92 19:07:20 GMT References: <1992Sep9.203550.25943@athena.cs.uga.edu> Sender: news@cbnews.cb.att.com (NetNews Administrator) Distribution: usa Organization: AT&T Lines: 15 Nntp-Posting-Host: gwssun.cb.att.com