News from Mac OSX - Mysterious Serial Port

[Dar Scott]

On Thursday, August 21, 2003, at 09:09 PM, Sarah wrote:

> I'd like to try making one of these loop-back circuits. I'm pretty 
> neat with a soldering iron, but I'm not sure how to proceed. I guess I 
> just need the join the Tx pins to the Rx pins but which pins are they? 
> How did you do it?

For the classic Mac serial DIN RS-422 connector?

Or DB-9 or DB25 RS-232?

Dar Scott