RRU
Hardware Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Position of the
RRU to be
Replaced
Mounting Kit
Reused or Not
Conversion
Bracket Reused or
Not
Non-blade RRUs are
not assembled.
This section describes the procedure for replacing an RRU by reusing a mounting kit.
For how to replace an RRU by using a new mounting kit, see a related RRU installation
guide.
After the replacement, an attachment plate for a blade RRU can be installed together
with mounting kit A or B for a common RRU, as shown in Figure 4-18.
Figure 4-18 Scenario where an attachment plate for a blade RRU can be installed together
with a mounting kit for a common RRU
(1) Attachment plate for a
blade RRU
(2) Mounting kit A for a
common RRU
(3) Mounting kit B for a
common RRU
The RRU mounting kit in the following figures is RRU mounting kit B.
Procedure
Step 1 Wear ESD gloves.
Take proper ESD protection measures, for example, wear ESD gloves, to prevent electrostatic
damage to the boards, modules, or electronic components.
Step 2 Remove cables for a faulty RRU and then remove RRU according to steps Step 1 to Step 8 in
4.2.1 Replacing an RRU Using a Mounting Kit for a Common RRU.
Step 3 Install the blade RRU.