Huawei TP48200A, Installation Manual

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Table 11-1 Normal status of the components
Component Indication of Normal Power Supply
Rectifier l
Power indicator: steady green
l Fault indicator: steady off
BBU l UPEU: The RUN indicator is steady on.
l FAN: The STATE indicator blinks 1s on
and 1s off.
l Other boards: The RUN indicator blinks
(on for 1s and off for 1s).
RRU l RUN indicator: blinking 1s on and 1s off
l ALM indicator: steady off
Step 5
Optional: If the power supply to a component fails after the cabinet is powered on, handle the
fault according to the instructions in the following table.
Table 11-2 Troubleshooting
Failure Type Handling Measure
Failure in the power
supply to all components
in the cabinet Check whether the power cables are reversely connected.
l If the cables are incorrectly connected, set all the circuit
breakers to OFF, and then reconnect the power cables.
l If the cables are correctly connected, replace the power units.
Failure in the power
supply to a board in the
BBU Check as follows:
1. Remove the board, and check whether any pin of the slot on
the backplane is bent, broken, or missing. Replace the subrack
if necessary.
2. Insert the board into the subrack, and check the status of
indicators on the board.
3. If the indicators indicate an exception, remove the board, insert
it into a vacant slot holding the boards of the same type, and
check the status of the indicators.
l If the board works properly, the original slot is faulty. In
this case, replace the subrack.
l If the fault persists, the board is faulty. In this case, replace
the board.
TP48200A
Installation Guide
11 Powering On a Base Station
Issue Draft B (2014-01-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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