Chapter 1 Passport 8000 Series chassis hardware components 31Installing and Maintaining the Passport 8000 Series ChassisSlots are numbered from the top down. Slots 1 and 2 allow you to install Passport8600 interface modules. Slot 3 is reserved for the Passport 8690SF or 8691SFSwitch Fabric Module. For complete information about Passport 8600 modulesand instructions for installing them, see Installing Passport 8600 Series SwitchModules (312749-J).The 8003 chassis has two bays for 8003AC power supplies (refer to Installing anAC Power Supply in a Passport 8000 Series Chassis (312751-D), and a single8003 fan tray for cooling (refer to Installing a Fan Tray in an 8000 Series Switch(312752-D). Figure 4 also shows the location of customer-replaceablecomponents in the 8003 chassis.Figure 4 8003 chassis and componentsPower suppliesThe 8010, and 8006 chassis each provide three bays for installing power supplies.The following power supplies are available for these chassis:• 8001AC Power Supply (discontinued)• 8004AC Power Supply• 8005AC Power Supply• 8002DC Power Supply (discontinued)• 8004DC Power Supply• 8005DC Power SupplyThe 8010co chassis provides three bays for installing power supplies. Thefollowing power supplies are available for these chassis:10932EA8600 SeriesmodulesPower suppliesFan tray