30 CHAPTER 5: SWITCH 4005 P OWER SUPPLIESFigure 10 and Figure 11 show the front and rear views of a Switch 4005 powersupply. The power supply connector shown in Figure 11 makes contact with aconnector inside the chassis.Figure 10 External View of the Switch 4005 Power SupplyFigure 11 Chassis Connector and Guide Pins on the Switch 4005 Power SupplyNormal OperatingRequirementsOnly one power supply is required for normal operation of a chassis that containsmodules and fans in all slots.However, to help to maintain high availability of your network, 3Comrecommends that you install a second power supply in the chassis and connect itto a dedicated power source.All Switch 4005 chassis have one power supply preinstalled at the manufacturingcenter. If you want to configure your chassis for high availability, order a secondpower supply and install it at your site. Save the blank faceplate that you removefor future use.Power Supply SlotCoversIf one of the power supply slots is empty, ensure that it is covered with a blankfaceplate to ensure proper airflow and cooling of the chassis.RetainerscrewAC inputsocketPowerindicatorsPower supplyhandlePower supplyconnectorPower supplyguide pin
