> Off to see if I can find the Best Power docs...  

Best power even releases their Unix code on their website. 

	http://www.bestpower.com/software/download/BESTUNIX.TAR

The file advanced/source/checkups.c appears to be a fully functional
unix serial-line daemon for their "fortresss" line.  Hats off to Best
Power.  I'm ordering one now.

And a big thanks to Greg Troxel for the hint to check out Best Power!

-wolfgang