Installation ManualH3C S3600 Series Ethernet Switches Chapter 3 Installation3-10Note:z No guide rails are delivered with the device.z Ensure a clearance of 1U (44.45 mm, namely, 1.75 inches) between devices for thepurpose of heat dissipation.3.1.2 Mounting the Switch on a Desktop/WorkbenchWhen placing the switch on a desktop or workbench, you simply need to:z Make sure that the desktop or workbench is clean, flat, and sturdy.z Allow 10 cm (3.9 in.) of clearance around the sides of the chassis.z Do not place heavy objects on the switch.3.2 Connecting the Power Cord and the Ground Wire3.2.1 Connecting the AC Power CordI. AC power socket (recommended)You are recommended to use a single-phase three-line power socket with a groundcontact or a general purpose PC power socket, making sure that the power point is wellconnected to building ground. Normally, the ground point of the power source in abuilding was buried in the ground during the construction and wiring. Still, you mustmake sure of that.Figure 3-14 Power socket (recommended)II. Connecting the AC power cordStep 1: Connect one end of the chassis ground wire to the grounding screw on the rearof the chassis and the other end to the ground as near as possible.Step 2: Connect one end of the power cord to the power socket on the rear of thechassis, and plug the other end to the AC power jack of the power source.