RRU
Hardware Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 4-8 Scenario where attachment plate B for a common RRU is installed together with
mounting kit A for a common RRU
(1) Attachment plate B for a common RRU
(2) Mounting kit A for a common RRU
Step 10 Reconnect all required cables, waterproof the connectors on the RF jumpers, and ensure that
vacant cable troughs in the cabling cavity are blocked by waterproof blocks.
Step 11 Close the cover plate of the RRU cabling cavity. Then use an M4 torque screwdriver to
tighten the screws on the cover plate of the RRU cabling cavity.
----End
4.2.2 Replacing an RRU Using a Mounting Kit for a Blade RRU
This section describes the procedure and precautions for replacing an RRU using a mounting
kit for a blade RRU.
Prerequisites
The operations in 4.1 Preparations Before Replacement have been performed.
The following tools and materials are available: ESD gloves, an M5 Phillips screwdriver,
an M6 inner hexagon torque screwdriver, waterproof tape, and PVC insulation tape.
The number and type of RRUs to be replaced are confirmed, and new RRUs are
available.
Context
RRUs and attachment plates in this section are only for reference. The actual RRUs and
attachment plates may be different.
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.
The RRU attachment plate varies with the RRU type before and after the replacement.
Figure 4-9 shows an attachment plate and a mounting kit for a blade RRU.
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