Powering On The Prru3901 - Huawei DBS3900 Installation Manual

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5.1 Powering On the pRRU3901

After the pRRU3901 is powered on, check its running status by observing the indicator status.
Prerequisites
The pRRU3901 and the cables are correctly installed.
Context
The pRRU3901 must be powered on within 7 days after it is unpacked, and the period of its
power-off state cannot exceed 7 days during maintenance.
Procedure
Step 1 Power on the pRRU3901.
The pRRU3901 can be powered in PoE mode. The RHUB3908 adopts the PoE power supply
to provide power for the pRRU3901 over the CPRI_E0 port.
Step 2 Wait 3 to 5 minutes. Then Check the status of the RUN indicator.
If the RUN Indicator Is...
Steady on
Steady off
On for 1s and off for 1s
On for 0.125s and off for
0.125s
----End
Issue 05 (2015-01-15)
NOTICE
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Powering On and Powering Off the pRRU3901
It Indicates that...
There is power input, but the
board is faulty.
There is no power input.
The pRRU3901 is running
properly.
The board software is being
loaded.
Then...
Disable the power supply,
rectify the board fault, and
then power on the
pRRU3901 again.
Disable the power supply and
check the power input again.
End the power-on check task.
If the loading is not complete
after 5 minutes, disable the
power supply. Check
whether the data in the
configuration file is correct.
Rectify the fault and then
power on the pRRU3901
again.
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