Table of Contents
Advertisement
EonStor U16U Installation and Hardware Reference Manual
Step 10. Connect the Controller Module Cables – Connect all of the cables that were
Step 11. Power On – Once the new controller module has been properly installed and the
5.3.4 BBU and BBU Charger Board Replacement
If an optional BBU was installed with the charger board and either or both of these
components fail, they must be replaced.
NOTE: When replacing a BBU, the whole subsystem needs to be powered down
therefore, when replacing a failed BBU a user should carefully select the time at which
the replacement is made to minimize the overall disruption to the service.
To replace a BBU module please follow these steps:
Step 1. Power Down the subsystem – Before replacing the BBU module, correctly
Step 2. Disconnect all the Cables – There may be a number of different cables attached
Step 3. Loosen the retention screw - The controller module is secured to the enclosure
Step 4. Pull the Controller module Out – Once the retention screw has been removed
Step 5. Disconnect the BBU Connector – Disconnect the BBU connector from the
5-6
previously disconnected from the controller module. These may include SCSI
cables for host connection, RS-232C cable for serial port connection and an
Ethernet cable for LAN connection.
cables have been correctly connected. Power Up the subsystem.
power down the subsystem.
to the controller module. These cables could include SCSI cables for host
connection, RS-232C cable for serial port connection and an Ethernet cable for
LAN connection. Prior to removing the controller module all these cables should
be removed.
with a single retention screw. Loosen this screw and open the rear flap on the
controller module. For more details see Section 5.3.3.
and the rear flap opened, gently pull the controller module out of the ES U16U
chassis.
battery charger board to which it is connected. See Figure 5-2.
Controller Module Maintenance
Advertisement
Table of Contents
