Re: What is "differential" SCSI?

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#557

From: Allan D. Griefer
Date: Mon, 13 Nov 1989 06:38

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There are two types of SCSI interfaces, differential and single-ended.  Very
simply single ended uses signals that are either positive or ground and
differential uses signals that are expressed between two wires in the same
manner that phone signals are expressed.   The single-ended is simpler, but
has some very short cable length limitations when compared to differential
SCSI.

There are a number of companies that produce SCSI convertors to switch
between the two levels.

Opinions are strictly my own,
Allan D. Griefer,       IBM Almaden Research Center, San Jose, CA
BITNET: GRIEFER at ALMADEN              Internet: griefer@ibm.com
UUCP: ...!uunet!ibmarc!griefer          mcimail: 398-8024

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!ibmarc!griefer
From: griefer@ibmarc.uucp (Allan D. Griefer)
Newsgroups: comp.sys.ibm.pc.rt
Subject: Re: What is "differential" SCSI?
Message-ID: <1204@ks.UUCP>
Date: 13 Nov 89 06:38:48 GMT
References: <9037@spool.cs.wisc.edu> <1989Nov6.192632.9113@arnor.uucp> <496@ursa-major.SPDCC.COM> <469@siswat.UUCP> <509@ursa-major.SPDCC.COM>
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Reply-To: griefer@ks.almaden.ibm.com.UUCP (Allan D. Griefer)
Organization: IBM Almaden Research Center
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