© Copyright 2003, 2006 Hewlett-Packard Development Company, L.P. 
The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express 
warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP 
shall not be liable for technical or editorial errors or omissions contained herein. 
June 2006 (Third Edition) 
Part Number 351643-003 
Audience assumptions 
This guide is for the person who operates, configures, maintains, and troubleshoots UPSs. HP assumes 
you are qualified in the servicing of high-voltage equipment and trained in recognizing hazards in 
products with hazardous energy levels.