Dell PowerEdge 6650 - Manual (Page 23)

for a limited amount of time—from 15 minutes to an hour or so—depending on the UPS system.
UPS systems range in price from a few hundred dollars to several thousand dollars, with the more expensive units allowing you to run larger systems for a
longer period of time when power is lost. UPS systems that provide only 5 minutes of battery power let you conduct an orderly shutdown of the system but
are not intended to provide continued operation. Surge protectors should be used with all UPS systems, and the UPS system should be UL safety approved.
Other Documents You May Need
Besides this User's Guide, the following documentation is included with your system:
l The Setting Up Your System sheet provides general instructions for setting up your system.
l The System Information document provides important safety and regulatory information. Warranty information might be included within this document or
as a separate document.
l The Rack Installation Guide describes how to unpack, set up, and install your system in a rack.
l The Installation and Troubleshooting Guide describes how to install, troubleshoot, and upgrade your system.
l The systems management software documentation describes the features, requirements, installation, and basic operation of the systems management
software. See the software's online help for information about the alert messages issued by the software.
l Operating system documentation is included if you ordered the software with your system. This documentation describes how to install, configure, and
use the operating system software.
l Documentation is included with any options you purchased separately from the system and provides information you need to configure and install these
options in your system.
You may also have the following documents.
l Documentation updates are sometimes included with the system to describe changes to the system or software.
l Technical information files—sometimes called "readme" files—may be installed on the hard drive to provide last-minute updates about technical changes
to the system or advanced technical reference material intended for experienced users or technicians.
Obtaining Technical Assistance
If at any time you do not understand a procedure described in this guide or if your system does not perform as expected, a number of tools are provided to
assist you. For more information on these help tools, see "Getting Help" in your Installation and Troubleshooting Guide.
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NOTE: Always read these updates before consulting any other documentation because the updates often contain information that supersedes
the information in the other documents.