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Use the following safety guidelines to ensure your own personal safety and to help
protect your server, storage system, or appliance from potential damage.
Notes, Notices, Cautions, and Warnings
Throughout this guide, blocks of text may be accompanied by an icon and printed in
bold type or in italic type. These blocks are notes, notices, cautions, and warnings,
and they are used as follows:
NOTE: A NOTE indicates important information that helps you make better use of
Additional Safety Precautions To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment, observe the following precautions. General Precautions Observe the following general precautions for using and working with your system: • Observe and follow service markings. Do not service any Dell product except as explained in your Dell system documentation. Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to ele
— 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan — 230 V/50 Hz in most of Europe, the Middle East, and the Far East Also be sure that your monitor and attached devices are electrically rated to oper- ate with the power available in your location. • Use only approved power cable(s). If you have not been provided with a power cable for your server, storage system, or appliance, or for any AC-powered option intended for your system, purchase a power cable that is approved for use i
Precautions for Server and Storage Systems Observe the following additional safety guidelines for your system: • Unless your installation and/or troubleshooting documentation specifically allows it, do not remove enclosure covers, attempt to override the safety interlocks, or access any components inside the system. Depending on your system, installa- tion and repairs may be done only by individuals who are qualified to service your computer or storage system equipment and trained to deal wi
• System rack kits are intended to be installed in a Dell rack by trained service tech- nicians. If you install the kit in any other rack, be sure that the rack meets the specifications of a Dell rack. • Do not move large racks by yourself. Due to the height and weight of the rack, Dell recommends a minimum of two people to accomplish this task. • Before working on the rack, make sure that the stabilizers are secure to the rack, extend to the floor, and that the full weight of the rack rests
Precautions for Products With Laser Devices Observe the following precautions for laser devices: • Do not open any panels, operate controls, make adjustments, or perform proce- dures on a laser device other than those specified in the product’s documentation. • Only authorized service technicians should repair laser devices. When Working Inside Your Computer Before you remove the computer covers, perform the following steps in the sequence indicated. NOTICE: Some Dell systems can be serviced o
mended by the manufacturer. Discard used batteries according to the manufacturer’s instructions. Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer’s electronic components, such as the microprocessor. You can do so by touching an unpainted metal surface on the computer chassis. As you continue to work inside the computer, pe
• Adjust the tilt of the monitor, its contrast and brightness settings, and the lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen. • Use a chair that provides good lower back support. • Keep your forearms horizontal with your wrists in a neutral, comfortable position while you use the keyboard or mouse. • Always leave space to rest your hands while you use the keyboard or mouse. • Let
1 Monitor screen at or below eye level 2 Wrists relaxed and flat 3 Arms at desk level 4 Feet flat on the floor 5 Monitor and keyboard positioned directly in front of user xi