>I once had a board with a D25 connector which had the shell inverter with
>respect to the two rows of pins (the 12 pin row in the wider part of the
>shell. I can't even imagine how that could have happend by accident.

I have had that happen as well. I imagine something caused the insulation
piece holding the pins to get flipped around in the automatic assembly
process. Thankfully these are very rare.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.