On a Debian server I've successfully installed the nut package so that my Ellipse PRO 1200 UPS's status can be fetched via USB (upsc my-ups returns battery level). Note: I haven't tested what will ...
I have a Fedora Core 19 system powered via a desk-side UPS. I've connected the UPS' USP port to the FC19 system, and it was apparently recognized, as upower -d now reports its presence: ups ...
So I have this UPS connected to machine with a RS232/USB cable. ups.conf contains [apc1] driver = apcsmart port = /dev/ttyUSB0 desc = "APC USB" And I get the following output: $ sudo ...