HP D5970A - NetServer - LCII Installation And Configuration Manual page 54

Chapter 5
HP NetRAID
On the HP NetRAID adapter, the Battery Backup Unit is the mezzanine board
already installed on the HP NetRAID adapter. Do not remove the Battery Backup
Unit from the HP NetRAID adapter.
To connect the battery pack, plug the connector on the wire in the lower-left
corner into the connector at J2 as shown in Figure 5-2. The connector is keyed to
make sure the proper connection is made.
Figure 5-2. HP NetRAID Battery Backup Unit with the Battery Pack
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Installation and Configuration
Connected