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From: maj@cl.cam.ac.uk (Martyn Johnson)
Newsgroups: misc.wanted,comp.dcom.lans
Subject: Help wanted locating Ethernet transceiver component
Message-ID: <682@jenny.cl.cam.ac.uk>
Date: Fri, 13-Mar-87 04:23:00 EST
Article-I.D.: jenny.682
Posted: Fri Mar 13 04:23:00 1987
Date-Received: Mon, 16-Mar-87 04:14:43 EST
Organization: U of Cambridge Comp Lab, UK
Lines: 30
Keywords: ethernet component electronics
Xref: mnetor misc.wanted:664 comp.dcom.lans:286

I am trying to locate a replacement for a damaged coupling transformer
in an Ethernet transceiver (actually a DEC DELNI, but the same part is
used in ordinary transceivers too).

The part is in a 14 pin DIL epoxy package, and is marked as follows:

      16-18516-00 Rev. A1
       AC10135  yyww
         HIPOTTED 

(where 'yyww' is the date code).

There is no manufacturer's identification symbol.

I believe the part actually contains three transformers, used for 'receive
data', 'transmit data' and 'collision detect'.

If anybody can tell me who makes this part, where I can buy it, or where I
might find an equivalent, I would be most grateful. Please reply direct.

By the way, I HAVE contacted DEC.  They say "not available for sale".


Martyn Johnson                                   maj@cl.cam.ac.uk
University of Cambridge Computer Lab             maj%cam.cl@cs.ucl.ac.uk
Corn Exchange Street                             ...!mcvax!ukc!cam-cl!maj
Cambridge
England

+44 223 334647