There are now (11/11/2001) versions of UPS Monitor for APC models Back-UPS Pro, Smart-UPS and other APC smart signaling UPS; APC models Back-UPS and Back-UPS Office simple signaling UPS; Guardian On Board PowerCard UPS; and contact closure UPS models by Tripplite (INTERNET Office model 500 and 700) and IBM (Professional Office models 500 and 700). It will monitor the status of the UPS, and provide shutdown services to the operating system.
http://home.att.net/~ASchw/upsmonitor.html
Source: OS/2 Warp News and Rumors