User`s guide

StorageWorks Status Reporting
2.4 BBU Status
2.4 BBU Status
The LEDs shown in Figure 2–6 display the status of the BBU.
The upper LED (green) is the BBU status LED.
The lower LED (amber) is the charge status LED.
Figure 2–6 BBU LEDs
CHARGE
STATUS
(AMBER)
BBU STATUS
(GREEN)
CXO-3670A-PH
These LEDs are controlled by internal BBU signals. The BBU status LED has
three states: on, off, and flashing. The charge status LED is either on or off. The
Table 2–5 defines the valid states for these LEDs.
Table 2–5 BBU Status LEDs
LED Status Indication
BBU Status (upper)
BBU Charge (lower)
On
Off
Normal status
BBU is fully charged and operational.
BBU Status (upper)
BBU Charge (lower)
Off
On
Normal status
BBU is charging.
BBU Status (upper)
BBU Charge (lower)
Flashing
ON
Fault status
Power supply failure.
BBU is in use.
BBU Status (upper)
BBU Charge (lower)
Off
Off
Fault status
Either power supply or BBU failure.
2–12 StorageWorks Status Reporting