It looks like it was my null modem cable, which I had interfaced incorrectly with the DB9 to DB25 converter: (I have made the correction and will try it tonight, when I get home.)
<ATTACHMENT filename="IMG_3825.JPG" index="3">
</ATTACHMENT>
<ATTACHMENT filename="IMG_3824.JPG" index="1">
</ATTACHMENT>
Here's a pic of the corrected cable (hack):
Because it's a female to female connection, I had to cross the connections over. (I initially had them connected directly.)
<ATTACHMENT filename="IMG_3826.JPG" index="2">
</ATTACHMENT>
<ATTACHMENT filename="IMG_3831.JPG" index="0">
</ATTACHMENT>
The connectong pins that I've used very strong and maintain their spacing very well, so they wont short, even though the gaps between them are narrow.
