Huawei BBU3900 Installation Manual page 13

Installing the BBU in the APM30
b
Installing the BBU Cables
9. Install the alarm cable.
ALM port on the UPEU and the other end to the corresponding alarm device.
c
Checking the Power-On Status of the BBU
Start
Powering on the BBU3900
a
Checking whether all LEDs on the
BBU are normal?
Yes
End
Connect one end of the alarm cable to the EXT-
Clearing the fault
Powering off the
BBU3900
No
12
a
The normal status of LED on the
WMPT is as follows:
• RUN LED: 1s ON, 1s OFF
(blinking at 0.5 Hz)
• ALM LED: OFF
• ACT LED: ON
The normal status of LED on the
UBFA is as follows:
• STATE LED: Green
1s ON, 1s OFF (blinking at 0.5 Hz)
The normal status of LED on the
UPEU is as follows:
• RUN LED: ON
The normal status of LED on the
WBBP is as follows:
• RUN LED: 1s ON, 1s OFF
(blinking at 0.5 Hz)
• ALM LED: OFF