3Com Router 3000 Ethernet FamilyInstallation Guide 2. Installing the Router2-22.2 Installing the RouterYou can place your router on a sturdy tabletop or workbench or mount it on a vertical surface.2.2.1 Placing the Router on a Tabletop/WorkbenchWhen placing the router on a tabletop or workbench,z Make sure that the tabletop 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 stack multiple routers together.2.2.2 Mounting the Router on a Vertical SurfaceMount the router on a vertical surface with four pan-head screws and the four brackets at thebottom of the router.Caution:z Securely anchor these four mounting screws in the vertical surface. If the screws are not properly anchored, strain ofthe network cable connections can pull the router from the wall.z Install the router in such a position that the LEDs can be read easily.z Securely fix the external power supply unit of the router, preventing the power cord from falling down.Follow these steps to mount the router on a wall or other vertical surface:Step 1: Install four pan-head screws on a wall or other flat vertical surface (with reference to thedistance between the four brackets as shown in Figure 2-1), and ensure that each screw sticks out6 mm (0.24 in.) on the wall.Figure 2-1 Chassis bottomStep 2: Hang the router on the screws by the four brackets.