Figure 35. Removing and Installing a DC Power Supply1. connector2. power supply3. power supply status indicator4. release latch5. power supply handleInstalling A DC Power SupplyWARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must perform all connectionsto DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. Allelectrical wiring must comply with applicable local or national codes and practices. Damage due to servicing thatis not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with theproduct.1. Verify that both the power supplies are the same type and have the same maximum output power.NOTE: The maximum output power (shown in Watts) is listed on the power supply label.2. If applicable, remove the power supply blank.3. Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps intoplace.NOTE: If you unlatched the cable management arm, re-latch it. For information about the cable management arm,see the system’s rack documentation.4. Connect the safety ground wire.5. Install the DC power connector in the power supply.CAUTION: When connecting the power wires, secure the wires with the strap to the power supply handle.6. Connect the wires to a DC power source.NOTE: When installing, hot-swapping, or hot-adding a new power supply, allow several seconds for the system torecognize the power supply and determine its status. The power-supply status indicator turns green to signify thatthe power supply is functioning properly.77
