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From: kr@apollo.HP.COM (Keith Alan Rodwell)
Newsgroups: comp.dcom.lans
Subject: Re: A Mac and a PC on an Ethernet - Why does one work and not the other?
Message-ID: <46d1acc4.20b6d@apollo.HP.COM>
Date: 13 Nov 89 22:11:00 GMT
References: <448@wcc.oz> <1471@fs2.cam.nist.gov> <1525@intercon.com>
Sender: root@apollo.HP.COM
Reply-To: kr@apollo.HP.COM (Keith Alan Rodwell)
Organization: Hewlett-Packard Apollo Division - Chelmsford, MA
Lines: 26


	Actually, the 3 COM 3c505 has only one jumper (actually, it is
a block jumper, convering several sets of pins).  So, it is possible to
change from Thick to Thin by moving only one jumper.

In article <448@wcc.oz>, tom@wcc.oz (Tom Evans) writes:
> In article <1525@intercon.com>, amanda@intercon.com writes:
>  
> > One thing I've noticed about a lot of Mac Ethernet adapters (from more
> > than one manufacturer) is that, oddly enough, the thick vs. thin jumper (or
> > switch) is labeled backwards.
> 
> How do they select between Thick and Thin with only ONE jumper? I have
> seen it done on a very old box with lots of ECL glue (but that costs).
> 
> Don't tell me they leave the unpowered Thinwire transceiver (and
> terminator resistors) across the AUI connector (shock! horror! :-)!
>


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``This theory which is mine, is mine'' -- Ann Elk (Monty Python)
Keith Alan Rodwell
Apollo/HP Customer Support
(508)-256-6600 X8415