NOTE: If you unlatched the cable management arm, re-latch it. For information about the cablemanagement arm, see the system’s rack documentation.CAUTION: When connecting the power cable, secure the cable with the strap.2. Connect the power cable to the PSU and plug the cable into a power outlet.NOTE: When installing, hot swapping, or hot adding a new PSU, wait for 15 seconds for thesystem to recognize the PSU and determine its status. The power supply redundancy may notoccur until the new PSU discovery is complete. Wait until the new PSU is discovered andenabled before you remove the other PSU. The PSU status indicator turns green to signify thatthe PSU is functioning properly.Removing the power supply unit blankPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.CAUTION: To ensure proper system cooling, the power supply unit (PSU) blank must be installedin the second power supply bay in a non-redundant configuration. Remove the power supplyblank only if you are installing a second power supply.1. Ensure that you follow the Safety instructions.Steps1. Hold the PSU blank by the sides, and slide it to disengage the tabs on the PSU blank from the slots onthe chassis.2. Remove the PSU blank out of the PSU bay.122
