3Com Router 6000 FamilyInstallation ManualChapter 3Installing the Router3Com Corporation3-3(1)(3)(1) (2)(2)1) Mounting screws 2) Mounting brackets (with cable-management brackets installed)3) GuidesFigure 3-2 Mount the router in a rack3.3.2 Mounting the Router on a TabletopWhen mounting the router on a tabletop, ensure that the surface is clean and you haveconsidered the following:z The table is sturdy and well grounded.z 10 cm (3.9 in.) clearance is available around the sides of the chassis for heatdissipation.z Do not place any heavy object on the chassis.3.4 Installing the Generic ModulesInstalling generic modules includes installing the main control board, PSUs, the fan module,and FICs.Refer to the chapter “FICs” for the FIC installation procedures and the chapter “MaintainingHardware” for the installation procedures of other modules.3.5 Connecting the PGNDWarning:The normal connection of the protection ground (PGND) on the router chassis is anessential safeguard against lightning shocks and interference. You must correctlyconnect the PGND when installing or using the router.As shown in the following figure, the router provides a protection ground (PGND) screw at thetop right-rear of the chassis. You must securely connect it to the earth ground to safely channelfaradic current and leakage electricity to the ground and have the device less susceptible to
