Re: Shoebox termination

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Article #6717

#6717

From: Mike Ubell
Date: Sun, 27 Jan 1991 21:36

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In article <1362@brchh104.bnr.ca> you write:

>A while back I remember seeing a message or two about how to burn out a
>shoebox power supply by powering the termination resistors. Could someone
>please repost or send directly to me?  Also - is there a difference
>between Sun 3 and SS1 shoeboxes?

The sun 3/60 has pin 26 grounded which is the termination power pin.  If
you hook a 3/60 up to a box that drives that pin you will blow the power
supply.  As far as I know that is the only model that has this "feature".
AnDataCo has cables that are missing that pin.

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!cunews!bnrgate!brtph3!brchh104!brchs1!bnr.ca!rice.edu!sun-spots-request
From: mike@sharebase.com (Mike Ubell)
Newsgroups: comp.sys.sun
Subject: Re: Shoebox termination
Keywords: Hardware
Message-ID: <1469@brchh104.bnr.ca>
Date: 27 Jan 91 21:36:51 GMT
Sender: news@brchh104.bnr.ca
Organization: Sun-Spots
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