Huawei DBS3900 Installation Manual page 136

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Site Maintenance Guide
4.1 Powering On the RHUB3908
The RHUB3908 is powered by AC input.
Prerequisites
The power cable of the RHUB3908 is not connected to power, that is, the power plug is removed.
Context
The RHUB3908 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 Insert the power plug to power on the RHUB3908.
Step 2 Wait 3 to 5 minutes. Then check the status of the RUN indicator.
If the RUN Indicator Is...
Steady on
Steady off
1s on and 1s off
0.125s on and 0.125s off
----End
Issue 05 (2015-01-15)
NOTICE
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Powering On and Powering Off the RHUB3908
It Indicates that...
There is power input, but the
board is faulty.
There is no power input, or an
alarm about the board is
reported.
The RHUB3908 is running
properly.
The board software is being
loaded.
Then...
Disable the power supply,
rectify the board fault, and
then power on the
RHUB3908 again.
Disable the power supply and
check the power input again.
If the power input is normal,
rectify the board fault, and
then power on the
RHUB3908 again.
End the power-on check task.
If the loading is not complete
after 5 minutes, disable the
power supply and check
whether the data in the
configuration file is correct.
Rectify the fault and then
power on the RHUB3908
again.
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