Dell PowerEdge R820 Getting Started Guide Regulatory Model: E21S Series Regulatory Type: E21S001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Information in this publication is subject to change without notice. © 2011 Dell Inc. All rights reserved. Printed in the U.S.A.
Installation And Configuration WARNING: Before performing the following procedure, review the safety instructions that came with the system. Unpacking A Rack System Unpack your system and identify each item. Assemble the rails and install the system in the rack following the safety instructions and the rack installation instructions provided with your system. Figure 1. Installing the Rails and System in a Rack Optional—Connecting The Keyboard, Mouse, And Monitor Figure 2.
Connecting The Power Cable(s) Figure 3. Connecting the Power Cable(s) Connect the system’s power cable(s) to the system and, if a monitor is used, connect the monitor’s power cable to the monitor. Securing The Power Cable(s) Figure 4. Securing the Power Cable(s) Bend the system power cable(s), as shown in the illustration, and attach to the cable strap.
Turning On The System Figure 5. Turning On the System Press the power button on the system. The power indicator should light. Installing The Optional Bezel Figure 6. Installing the Optional Bezel Install the bezel (optional). Complete The Operating System Setup If you purchased a preinstalled operating system, see the documentation associated with the operating system. To install an operating system for the first time, see the installation and configuration documentation for your operating system.
not accept the terms of the agreement, call the customer assistance telephone number. For customers in the United States, call 800-WWW-DELL (800-999-3355). For customers outside the United States, visit support.dell.com and select your country or region from the top of the page. Other Information You May Need WARNING: See the safety and regulatory information that shipped with your system. Warranty information may be included within this document or as a separate document.
Power AC Power Supply (per power supply) Wattage 750 W or 1100 W Heat dissipation 2891 BTU/hr maximum (750 W power supply) 4100 BTU/hr maximum (1100 W power supply) NOTE: Heat dissipation is calculated using the power supply wattage rating. Voltage 100–240 V AC, autoranging, 50/60 Hz NOTE: This system is also designed to be connected to IT power systems with a phase to phase voltage not exceeding 230 V.
Environmental NOTE: For information on supported expanded operating temperature range and configurations, see support.dell.com/ manuals. Storage –40 °C to 65 °C (–40 °F to 149 °F) with a maximum temperature gradation of 20 °C per hour Relative humidity Operating 20% to 80% (noncondensing) at a maximum wet bulb temperature of 29 °C (84.2 °F) Storage 5% to 95% at a maximum wet bulb temperature of 38 °C (100.4 °F) Maximum vibration Operating 0.
