those are the correct cables, beware the mac mini-DIN8 isnt the sun 
MiniDin8

http://freespace.virgin.net/matt.waite/resource/io/mac8.htm

for low (length*baudrate) cables no line drivers are needed. (hundreds of 
meters or megabits may be obtained with good cat5e shielded).

verify ttya/ttyb settings on the mac. are you in the right port?

All else fails you might want a Xmas-tree in there. Radioshacks/Tandy 
Electronics in noo york city have been selling them cheap as of late. (i 
dont think its a seasonal thing ;)


On Fri, 9 Dec 2005, James Taylor wrote:

> Date: Fri, 9 Dec 2005 06:13:45 +0800
> From: James Taylor <logik@gateway.net.au>
> To: port-macppc@NetBSD.org
> Subject: Console cable
> 
> Hi there,
>
>
>
> Can someone give me a working pinout (MiniDIN8 to DB9 Serial) to suit
> console on a mac? I'm trying to
>
> Load netbsd on my mac and console via pc.
>
>
>
> I've tried a null modem cable, straight thru modem cable with and without
> dtr and im out of ideas, the screen
>
> Turns black indicating ive put it into openfirmware mode - but then nothing!
>
>
>
> James.
>
>

  Microsoft: Where do you want to go tomorrow?
  Linux: Where do you want to go today?
  BSD: Are you guys coming, or what?


Robin-David Hammond	KB3IEN
 	www.aresnyc.org.