Battery Backup Unit; Removing The Battery Backup Unit Module - Dell EMC PowerEdge MX840c Installation And Service Manual

1. Follow the safety guidelines listed in the
2. Follow the procedure listed in the
Steps
1. Place the drive cage into the sled, aligning with the screw holes on the sled.
2. Using the Phillips #1 screwdriver, secure the drive cage with screws.
Figure 44. Installing the drive cage
Next steps
1. Install the drive backplane.
2. Connect the cables to the drive backplane.
3. Install the removed drives.
4. Install the PEM.
5. Follow the procedure listed in the

Battery backup unit

Removing the battery backup unit module

Prerequisites
1. Follow the safety guidelines listed in the
2. Follow the procedure listed in the
3. Remove the PEM.
4. Disconnect the two cables from the battery backup unit (BBU) to the connectors on the system board.
44 Installing and removing sled components
Safety instructions
Before working inside your sled
After working inside your sled
Safety instructions
Before working inside your sled
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