Galaxy GHDX2_2430_16F4D Installation and Hardware Reference Manual
5-8
Replacing a Faulty BBU
PSUs failing. The BBU provides additional data security and helps
minimize the loss of data during power shutdowns.
Each BBU consists of a bracket, battery pack, and a PCB board that
connects to the backplane board. The optional BBU can be installed into the
subsystem in the middle of each controller module. Each BBU is secured to
the subsystem with two (2) retention screws. If a BBU has failed, it should
be replaced. Please read the BBU handling precautions below before
replacing it.
To replace a BBU, please follow these steps:
Step 1.
Remove the faulty BBU from the chassis.
Loosen the two (2)
retention screws located on both sides of the BBU, then pull out
the BBU. (See
Figure 5-8
)
Figure 5-8: Removing the BBU
Step 2.
Install the new BBU.
Align the BBU with the slot, and then
gently push the BBU into the slot. (See
Figure 5-9
)
Step 3.
Secure the BBU to the subsystem
by fastening the two (2)
retention screws on the back of the BBU.
Figure 5-9: Installing the BBU
Step 4.
Reset the subsystem
for the new BBU to take effect. The LED
should start flashing to indicate that BBU is being charged. When
the BBU is fully charged, the LED will be turned off. (See
Figure 5-10
)
