looking for killpower source

Hi, I need killpower (invertor shutdown) source for any USB UPS. I have APC BackUPS RS 500, but any other source should help, if it works under FreeBSD. Thanks a lot in advance. -- With best regards, Gregory Edigarov

killpower(UPS inverter shutdown)

Hello, If anyone have the working sources to killpower an USB UPS under FreeBSD please enlight me. I have APC RS 500, but an example for any other should also be ok. Thanks a lot in advance. -- With best regards, Gregory Edigarov