2. Installation and ConnectionExpress5800/R320c-E4, R320c-M4 User's Guide 53Chapter 2 Preparation2.2 RackThis server must be mounted to a rack which conforms to EIA standards for use.2.2.1 Installing RackRefer to the manual that comes with your rack for how to install the rack, or consult with your salesrepresentative.WARNINGBe sure to observe the following precautions to use the server safety. Failure toobserve the precautions may cause death or serious injury. For details, refer toSafety precautions in Precautions for Use. Use only in the specified environment. Do not connect the ground wire to a gas pipe.CAUTIONBe sure to observe the following precautions to use the server safely. Failure toobserve the precautions may cause burns, injury, and property damage. Fordetails, refer to Safety precautions in Precautions for Use. Do not carry or install the server only by a single person. Remove the CPU/IO module from the server before moving the server. Do not install the server so that the load may be concentrated on a specificpoint. Do not install any components only by a single person. Confirm that hinge pins of the door are completely secured in place. Do not pull out the CPU/IO module from the rack when the rack is unstable. Do not provide the wiring for the server to exceed the rating of the powersupply. Do not use the server in the environment where corrosive gas is generated.