Huawei RRU - Page 11

RRU
Hardware Maintenance Guide
1 Changes in RRU Hardware Maintenance Guide
Issue 16 (2015-03-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4

4.1 Preparations Before Replacement

4.4 Replacing a Non-Blade RRU with a Blade RRU

4.6 Operations After Replacement

6 Adding RRUs
Compared with issue 07 (2013-05-30), this issue includes the following changes:
Topic
Change Description
4.2.1 Replacing an RRU Using a Mounting
Kit for a Common RRU
Added the scenario where attachment plate
B for a common RRU is installed together
with mounting kit A for a common RRU
and the figure showing the scenario.
4.2.1 Replacing an RRU Using a Mounting
Kit for a Common RRU
Changed preparations before replacement to
4.1 Preparations Before Replacement and
operations after replacement to 4.6
Operations After Replacement.
4.2.2 Replacing an RRU Using a Mounting
Kit for a Blade RRU
Compared with issue 07 (2013-05-30), no information is deleted from this issue.
07 (2013-05-30)
This is the seventh commercial release.
Compared with issue 06 (2013-04-28), this issue includes the following change:
Topic
Change Description
5 Replacing an Optical Module
Changed the description "An optical module
is hot-swappable if the CPRI port is not
changed." to "An optical module or a CPRI
fiber optic cable cannot be inserted into or
removed from this CPRI port when the
power supply is connected."
Compared with issue 06 (2013-04-28), no information is deleted from or included in this
issue.
06 (2013-04-28)
This is the sixth commercial release.
Compared with issue 05 (2012-12-30), this issue includes the following changes:
Topic
Change Description
4.2.1 Replacing an RRU Using a Mounting
Kit for a Common RRU
Added the description of replacing an RRU
using a mounting kit for a common RRU.
5 Replacing an Optical Module
Added the steps of powering on and off an