Powering Off A Rru3931E; Replacing A Rru3931E - Huawei RRU3931E Maintenance Manual

RRU3931E
Site Maintenance Guid

1.3.2 Powering Off a RRU3931E

This section describes how to power off a RRU3931E.
Procedure
Step 1 Switch off the external power supply equipment for the RRU3931E.
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1.4 Replacing a RRU3931E

RRU3931Es employ modular design and faulty ones must be replaced promptly. Replacing a
RRU3931E interrupts all ongoing services carried by it.
Prerequisites
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Procedure
Step 1 Ask the network operator to perform the following preparations for a RRU3931E
replacement:
1.
2.
3.
4.
Do not touch the RRU3931E that is just powered off until it cools down.
Step 2 Switch off the external power supply equipment for the RRU3931E to be replaced.
Take proper ESD protection measures, for example, wear ESD gloves, to prevent electrostatic
damage to the RRU3931E or its electronic components.
Issue Draft A (2016-03-30)
Tools and materials, such as electrostatic discharge (ESD) gloves, torque wrench, and
M10 hex key screwdriver, are ready.
The RRU3931E to be replaced has been confirmed, and a new RRU3931E has been
prepared.
You have obtained site visit permission.
Block all the cells served by the RRU3931E to be replaced.
– Run the BLK CELL command if the RRU3931E works in LTE mode.
– Run the BLK ULOCELL command if the RRU3931E works in UMTS mode.
Change the SN to that of the new RRU3931E.
Upload a configuration file for the new RRU3931E over FTP. For details, see
RRU3931E Commissioning Guide.
Copy the configuration file and required software package to a TF card or a laptop where
the LMT has been installed.
NOTICE
NOTICE
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