Battery Backup Unit - NEC S2500 User Manual

Battery Backup Unit

BBU (Standard)
(1) Connector
The connector is used to connect the battery backup unit with the power supply.
•
Note the following points on replacing or additionally installing a battery backup unit:
– A replacement or additional battery backup unit must be of the type used in the
standard configuration.
– The standard battery backup unit must be installed on the left side. (See the figure
above.)
– The optional battery backup unit must be installed on the right side. (See the figure
above.)
•
The batteries are not enabled unless a battery backup unit is installed at the standard
battery location. They are not enabled either if a battery backup unit is installed only at
the optional battery location.
•
When installing the battery backup unit in the power supply, push in the connector until
it is locked.
If the connector is not fully inserted, the battery backup unit may not be enabled.
BBU
S2500: Standard
S1500: Option
xxxix
(1) Connector