>Its almost certainly a bug in the tty init code of the ups-daemon that
>you are running.  It took me a bit of playing around to get the tty
>open/init stuff for upsd working under Netbsd. If you have sources,
>grab the tty open/init code from the following tar file and splice it
>into your program.  If you don't have sources and you have an APC
>Smart UPS grab the following anyway and just run it. ;-)
>
>	http://www.wsrcc.com/wolfgang/ftp/upsd.tar.gz

While I don't want to malign anyone, I've been using with great
success Simon Gerraty's apcom:

	http://www.quick.com.au/sjg/apcmon.html

As an additional bonus, it was developed under NetBSD :-)  Also on that
page is a fairly complete description of the APC protocol.

--Ken