This section describes the procedures and precautions for hoisting an RRU and its mounting
kits onto a tower. In tower-mounted scenarios, the RRU can be installed on a pole, U-steel,
or angle steel.
Hoisting Optical Fibers onto a Tower
This section describes the procedure for hoisting optical fibers onto a tower and the
precautions that must be taken.
Hoisting Power Cables onto a Tower
This section describes the procedure for hoisting power cables onto a tower and the
precautions that must be taken.
Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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7.2.2.6.1 Hoisting an RRU onto a Tower
This section describes the procedures and precautions for hoisting an RRU and its mounting kits
onto a tower. In tower-mounted scenarios, the RRU can be installed on a pole, U-steel, or angle
steel.
Prerequisites
When the RRU is powered by an AC/DC power module, you need to install the AC/DC power
module onto the RRU before hoisting them onto a tower. For detailed operations, see
OPM15M(Ver.B) User Guide or OPM50M(Ver.B) User Guide.
NOTICE:
• Do not stand the RRU upright because the RF ports cannot support the weight of the RRU.
• Place a foam pad or cardboard under the RRU to protect the RRU housing from damage during
the installation.
Procedure
1. After climbing up to the tower, installation engineer A secures the fixed pulley to the tower
platform support and leads the lifting sling through the fixed pulley.
2. Installation engineer C binds the mounting kits using the lifting sling and traction sling on the
ground, as shown in Figure 1. Then installation engineer B pulls the lifting sling downwards, and
installation engineer C pulls the traction sling outwards to protect the mounting kits from
colliding with the tower.
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