3. Connect the power cable to each power supply and to an AC power source. The PSU LED for ACinput power blinks green to indicate that each PSU is receiving power from an outlet.4. Toggle the switch on all AC power supplies to the ON (up) position.5. The power supply LEDs display solid green (see Figure 32). If a PSU LED is not solid green:• Check that you properly installed the power supply.• Verify the power source.• If you cannot verify the power supply, power off all power supplies and replace the unit.6. The fan module LEDs display amber during C9010 bootup, and green when the switch finishesloading the operating system. You are able to hear the air flowing through the chassis. If the fans arenot operating properly or air is not flowing through the chassis:• Power off all power supplies.• Verify that you properly installed the fan module.• If the fan module LED remains unlit (see Figure 31), remove and replace the fan module.After you supply power to the system, the fans operate at medium speed. The green (online) fan module,RPM, and line card LEDs are lit and remain lit as long as the system is receiving power and is operational.When you turn on power supplies and supply power to the chassis, the system performs a series ofpower-on self-tests (POSTs). RPM and line card LEDs blink as the diagnostic programs run. No userinteraction is required. You can observe the process on your console terminal. When the boot processcompletes, the line card LEDs remain online (green) and the console monitor displays the CLI prompt.Checking LED StatusAfter you power on the switch, you can check the system, fan, power status, and port activity using LEDson the front panel of RPMs, line cards, power supplies, and fan modules.NOTE: You can also check system status using CLI show commands and the Simple NetworkManagement Protocol (SNMP). For more information about these options, see the Dell NetworkingCommand Line Reference and Configuration Guides for the C9000 Series.When the C9010 successfully powers up or reloads:• RPM LEDs display system status and management port activity.• Line card port LEDs display link status and port activity.• PSU and fan LEDs display individual PSU and fan operational status.For RPM LED location, see Installing an RPM. All other LEDs are shown in illustrations in this section.Table 2. RPM LEDsLED Color / DescriptionRPM master LED • Solid green — RPM is operating as a master.• Solid amber — RPM is operating as standby.System/Location LED • Off — No power• Solid green — Normal operation• Flashing blue — Beacon LED used to locate the module.Installing the Hardware 39