
Installing a DC power supply unit
Prerequisites
WARNING: For equipment using
Steps
1.Verify that both the power supplies are of the same type and have the same maximum output power.
NOTE: The maximum output power (shown in watts) is listed on the PSU label.
2.If installed, remove the power supply blank.
3.Slide the new power supply unit into the chassis until the power supply unit is fully seated and the release latch snaps into place.
NOTE: If you unlatched the cable management arm, relatch 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 unit.
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,
System battery
Replacing the system battery
Prerequisites
1.Ensure that you read the Safety instructions.
2.Follow the procedure listed in Before working inside your system.
3.Remove the cooling shroud.
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. For more information, see the safety information that shipped with your system.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
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