3Com Router 6000 FamilyInstallation ManualChapter 6Maintaining Hardware3Com Corporation6-2Take these steps to remove a PSU, as shown in Figure 6-1:Step 1: Remove the power cord connected to the PSU and loosen the two captive screwsfastening the module panel.Step 2: Hold the handle of the PSU and gently pull it out along the guides.Caution:If you do not plan to replace the PSU soon, install a blank filler panel to ensureadequate ventilation and prevent dust.6.2.2 Installing a PSUStep 1: Hold the handle of the PSU, gently push it into the chassis along the guides until it welltouches the power backplane inside the power slot.Step 2: Fasten the two captive screws in the PSU panel.Step 3: Check that the power switch on the panel is on.Step 4: Plug one end of the power cord shipped with the router into the socket on the PSU andthe other end to the power source.Step 5: Power on the router and check that the RUN LED on the RPU2 is ON.6.3 Removing/Installing the Fan ModuleThe fan module is hot swappable and hold in a vertical slot on the right side of the chassis.6.3.1 Removing the Fan ModuleFigure 6-2 Remove the fan moduleStep 1: Loosen the two captive screws on the fan module.Step 2: Hold the handle on the fan module with one hand and its bottom with the otherhand. Pull part of the fan module out.
