RRU
Hardware Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 4-12 Raising the bottom of the RRU
When removing the RRU, hold the RRU handle with one hand and raise the bottom of the
RRU with the other hand.
Step 7 Install a new RRU. For details, see RRU Installation Guide.
Step 8 Reconnect all required cables, waterproof the connector on the RF jumper, and verify that
vacant cable troughs in the cabling cavity are equipped by waterproof blocks.
Step 9 Close the cover plate of the RRU cabling cavity. Then use an M5 torque screwdriver to
tighten the screws on the cover plate of the RRU cabling cavity.
----End
4.3 Replacing an RRU Using Non-assembled Mounting
Kits
This section describes procedures and precautions for replacing an RRU using non-assembled
mounting kits.
Prerequisites
Preparations before powering off and replacing the RRU have been complete.
The following tools and materials are available: ESD gloves, M4 phillips screwdriver,
M6 hex screwdriver, M10 torque wrench, waterproof tape, and PVC insulation tape.
The quantity of faulty RRU modules has been determined, and the same quantity of new
RRU modules are ready.
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