NEC BBU User Manual page 27

Battery backup unitfor 8480e and 8408e dacs
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24
10.
Close the lever that was opened in Step 7 to secure the BBU.
11.
Reinstall the disk array controller in the PCI (PCI Express) slot of the server, and secure it with
screws.
12.
Reconnect all the cables to the disk array controller.
13.
Replace the side cover and plug the power cords. Power on the server.
14.
Once the OS has booted, check whether the BBU is recognized correctly. Refer to "2. Utility Check"
in "Chapter 2 Installing the BBU."
Notice
The battery cell is recyclable. Contact your service representative for proper
disposal.
Check
7
Old BBU
The battery cell you have purchased is not charged at all. In this case,
the [Current Write Policy] in the [Properties] of the [Logical] tab is
indicated as "Write Through" on MSM.
You can check the charge status of the battery cell by selecting [Relative
State of Charge] or [Absolute State of Charge] in [Physical] tab →
[Properties] on MSM.
New BBU
Disk array controller

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