Table 1 Checklist for the RRU hardware installation
Waterproof blocks are securely installed in vacant cable troughs of the RRU cabling cavity, and
the cover plate for the cabling cavity is securely installed. In addition, vacant RF ports are
covered with dustproof caps and the caps are tightened.
There are no connectors or joints on each power cable or PGND cable.
The terminals at two ends of each power cable or PGND cable are securely soldered or crimped.
None of power cables and PGND cables can be short-circuited or reversely connected. In
addition, these cables are not damaged or broken.
Power cables and PGND cables are separately bound from other cables.
The protection grounding of the RRU and the surge protection grounding of the building share
one group of ground conductors.
The connectors of each signal cable are intact and securely linked, and these cables are not
damaged or broken.
Labels are correct, legible, and complete at both ends of each cable, feeder, and jumper.
All ground cables are properly grounded.
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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7.2.2.10 Powering On an RRU
After all the devices are installed, check the power-on status of an RRU.
NOTICE:
After you unpack an RRU, you must power on it within 24 hours. If you power off the RRU for
maintenance, you must restore power to the RRU within 24 hours.
Figure 1 shows the RRU power-on check process.
NOTE:
For details about how to power on an RRU and how to power off an RRU, see section "Powering-On the RRU" and
section "Powering-Off the RRU" in RRU Maintenance Guide.
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