Actually, it may be possible to accomplish this without the use of
actual 10Base5.  I found a link for this last night because I was looking
to do this myself.  Here's the link: 
http://www.hut.fi/Misc/Electronics/docs/old/aui2aui.html

Good luck!

> In your mail from 8-7-1999 you write:
> > I would like to know if it is possible to make an AUI crossover cable (male
> > to male).  I have an ethernet  switch that has AUI as an input and would
> > like to come directly out of my uVAX 3600 and go to the switch with out the
> > use of converters and cat 5 cable.
> > 
> 
> But.... that's what the good old thick ethernet is for!
> 
> Michel.
> 
> 


-Ben