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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.

----End

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

l

Tools and materials, such as electrostatic discharge (ESD) gloves, torque wrench, and
M10 hex key screwdriver, are ready.

l

The RRU3931E to be replaced has been confirmed, and a new RRU3931E has been
prepared.

l

You have obtained site visit permission.

Procedure

Step 1

Ask the network operator to perform the following preparations for a RRU3931E
replacement:

1.

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.

2.

Change the SN to that of the new RRU3931E.

3.

Upload a configuration file for the new RRU3931E over FTP. For details, see

RRU3931E Commissioning Guide

.

4.

Copy the configuration file and required software package to a TF card or a laptop where
the LMT has been installed.

NOTICE

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.

NOTICE

Take proper ESD protection measures, for example, wear ESD gloves, to prevent electrostatic
damage to the RRU3931E or its electronic components.

RRU3931E
Site Maintenance Guid

1 RRU3931E Site Maintenance Guide

Issue Draft A (2016-03-30)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

5

Summary of Contents for RRU3931E

Page 1: ...RRU3931E V100R011C10 Site Maintenance Guid Issue Draft A Date 2016 03 30 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...e within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every effort has been made in the preparation of this document to ensur...

Page 3: ...n Indicators 3 1 2 2 Turning Off Indicators 3 1 3 Powering On or Off a RRU3931E 3 1 3 1 Powering On a RRU3931E 3 1 3 2 Powering Off a RRU3931E 5 1 4 Replacing a RRU3931E 5 1 5 Replacing an Optical Module 8 RRU3931E Site Maintenance Guid Contents Issue Draft A 2016 03 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd ii ...

Page 4: ... l eRAN11 1 and later versions V100R011C10 and later versions Intended Audience This document is intended for l System engineers l Site maintenance engineers Organization 1 1 Changes in RRU3931E Site Maintenance Guide1 1 Changes in RRU3931E Site Maintenance Guide This section describes the changes in RRU3931E Site Maintenance Guide 1 2 Turning On or Off Indicators1 2 Turning On or Off Indicators I...

Page 5: ...ance Guide This section describes changes in RRU3931E Site Maintenance Guide 1 2 Turning On or Off Indicators Indicators on the RRU3931E can be turned on or off 1 3 Powering On or Off a RRU3931E The indicator status of a RRU3931E must be observed following a power on to determine its running status Normal power off can be used to power off a RRU3931E 1 4 Replacing a RRU3931E RRU3931Es employ modul...

Page 6: ...tenance is completed indicators on a RRU3931E can be turned off as required Procedure Instruct the network operator to run the SET INDICATORSW command on the RRU3931E to turn off the indicators Configuration example SET INDICATORSW INDICATORSWITCH OFF The installation or maintenance personnel can locally observe that all the indicators except the WIFI indicator are off 1 3 Powering On or Off a RRU...

Page 7: ...tor status If Then The RUN indicator blinks on for 1s and off for 1s the ALM indicator is off and the RRU3931E is running correctly End the power on check task Any other indicator status is observed The RRU3931E is faulty Rectify the faults and go to Step 1 NOTE l Check the status of indicators on all cascaded RRU3931Es in cascading networking l A RRU3931E takes about 3 minutes to complete the sta...

Page 8: ...he 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 2 Change the SN to that of the new RRU3931E 3 Upload a configuration file for the new RRU3931E over FTP For details see RRU3931E Commissioning Guide 4 Copy the configuration file and required software package to a TF card or a lapt...

Page 9: ...of the Smart type N male connector and pull it down with proper force See Figure 1 1 Figure 1 1 Removing an RF jumper Step 7 Use an M10 hex key screwdriver to remove the angle adjusting screw on the top of the RRU3931E attachment plate Push the RRU3931E and its attachment plate upward out of the angle adjusting mounting bracket See Figure 1 2 NOTICE When demounting a RRU3931E hold the handles tigh...

Page 10: ...re package to the new RRU3931E using either of the following methods l Using the LMT On the Upgrade Software tab page select Download Configuration File and Download Version Software to download the configuration file and software package Select Activate Configuration File and Activate Version Software to activate the configuration file and software package After the activation is completed the RR...

Page 11: ...isconnection interrupts transmission of optical signals Prerequisites l The type and number of optical modules to be replaced are confirmed and new optical modules are ready l Tools and materials such as ESD gloves M10 Phillips screwdrivers ESD box or ESD bag are ready Context l Optical modules are inserted in FE GE2 and FE GE3 ports of the RRU3931E l Optical modules are hot swappable l Optical mo...

Page 12: ...Install the new optical module into the FE GE optical port on the RRU3931E NOTE The new optical module must match the rate at the optical FE GE port Step 8 Insert the optical connector into the optical module and closing the maintenance cavity covers Step 9 Power on the new RRU3931E by following instructions provided in 1 3 1 Powering On a RRU3931E 1 3 1 Powering On a RRU3931E Step 10 Check the tr...

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