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Chapter 5: Controller Maintenance
Replacing a Failed Optional BBU Module 5-5
Figure 5-3: Disconnect the BBU Connector from the Connector at the Back of the Controller
Board.
5.3.2.2 Case 2: BBU Battery Pack Connected to the Charger
Board Connector on the Controller Board
If the BBU battery pack is attached to the connector on the BBU charger board, please
follow these instructions:
Step 1. Access the controller module. The BBU charger board is located on the
controller board. To disconnect the BBU battery pack from the charger board,
remove the chassis top cover and open the chassis. The complete removal
procedure is described in Chapter 2, Section 2.6.2.
Step 2. Disconnect the BBU battery pack connector. Once the controller board has
been removed, disconnect the failed BBU pack from the charger board
connector. (See Figure 5-4)
Figure 5-4: Disconnect the BBU Connector from the Charger Board
Step 3. Connect the new BBU battery pack. Connect the replacement BBU battery pack
to the BBU charger board.