Precautions for Use (Be Sure to Read)Express5800/E120d-M User's Guide 15Safety notesThis section provides notes on using the server safely. Read this section carefully to ensure proper and safeuse of the server. For symbols, refer to Safety precautions.GeneralWARNINGDo not use the server for services where human life may be at stake or high reliability is required.This server is not intended for use in medical, nuclear, aerospace, mass transit or other applicationswhere human life may be at stake or high reliability is required, nor is it intended for use in controllingsuch applications. We disclaim liability for any personal injury and property damages caused by such useof this server.Do not use the server if any smoke, odor, or noise is present.If smoke, odor, or noise is present, immediately turn off the server and disconnect the power plug fromthe outlet, then contact the store where you purchased the product or your maintenance servicecompany. Using the server in such conditions may cause a fire.Do not insert needles or metal objects.Do not insert needles or metal objects into ventilation holes in the server or openings in the optical diskdrive. Doing so may cause an electric shock.Use a rack that conforms to the designated standardThis server can be mounted onto a 19-inch rack that conforms to EIA standards. Do not mount the serveronto any rack that does not conform to EIA standards. Doing so may cause a server malfunction,personal injury, or damage to peripheral devices. For more information about racks that can be used withthe server, consult with your maintenance service company.Use the server only under the specified environmentDo not install the server rack in any environment that is not suitable for installation.Installation in an unsuitable environment is harmful for the server and other systems installed in the rackand may cause fire or personal injury due to the rack falling. For a detailed explanation on installationenvironments or seismic reinforcement, consult with the instruction manual supplied with the rack or yourmaintenance service company.CAUTIONKeep water or foreign matter away from the server.Do not let any liquid such as water or foreign materials including pins or paper clips enter the server.Failure to follow this warning may cause an electric shock, a fire, or failure of the server. When suchthings accidentally enter the server, immediately turn off the power and disconnect the power plug fromthe outlet. Do not disassemble the server, and contact the store where you purchased the product or yourmaintenance service company.