2. Installation and ConnectionChapter 2 Preparations2.4 ConnectionConnect peripheral devices to the server.Connectors that allow a variety of peripheral devices to beconnected are provided at the front and rear of theserver. Images on the following pages show the peripheral devices that can be connected in their standard stateand their respective connector positions.WARNINGBe sure to observe the following precautions to use the server safety. Failure toobserve the precautions may cause death or serious injury. For details, seeSafety precautions in Precautions for Use.• Do not hold the power plug with wet hands• Do not connect the ground wire to a gas pipeCAUTIONBe sure to observe the following precautions to use the server safely. Failure toobserve the precautions may cause burns, injury, and property damage. Fordetails, see Safety precautions in Precautions for Use.• Use only the specified outlet to insert.• Do not connect the power cord to an outlet that has an illegal number ofconnections.• Insert the power plug into the outlet as far as it goes.• Use only the specified power cord.• Do not connect or disconnect the interface cable while the power cord isplugged in the outlet.• Use only the specified interface cableExpress5800/R320c-E4, R320c-M4, R320d-E4, R320d-M4 User's Guide 77