Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: chris@aivru.sheffield.ac.uk (Chris Brown)
Newsgroups: comp.sys.sun
Subject: Re: SCSI cable converter wanted, SUN -> DIP
Keywords: Hardware
Message-ID: <3885@kalliope.rice.edu>
Date: 14 Jun 89 15:07:47 GMT
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Organization: Sun-Spots
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Approved: Sun-Spots@rice.edu
X-Sun-Spots-Digest: Volume 8, Issue 37, message 3 of 7

David Kwong asks in v8n9:

> I have a need to plug a SCSI device with an embedded controller (that has
> a 50-pin Dual-in-line connector) to a SUN-3 workstation (that has a 50-pin
> connector on 3 rows).  Does anyone know where I can find a cable with the
> two connectors?

You can easily make one. You need a 50-way male "D" type insulation
displacement connector (609-50P), a 50-way female insulation displacement
connector (609-5001M -- I think these are the 3M part numbers but I'm not
certain) and an appropriate length of 50-way ribbon cable. Any good
component distributor should be able to supply these. I could tell you
where to get them in the UK, but I guess that wouldn't help. You don't
need special tooling to fit them, a vice (plus a little care) is
sufficient.

BTW, the pinout used on the 50 way "D" socket on the back of a 3/50 or a
3/60 doesn't look at all like the standard SCSI pinout if you number the
"D" socket pins in the traditional way (top row pins 1-17, middle row
18-33, bottom row 34-50), which is how they are in fact numbered on the
actual connector moulding. But when you look at the numbering as seen on
the ribbon cable, you *do* get standard SCSI pinout. The mapping is
obvious once you think about the topology inside the IDC plug!

Hope this helps,

Chris Brown, A.I. Vision Research Unit, Sheffield University 
(chris@aivru.sheffield.ac.uk)