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RRU3942&RRU3642
Installation Guide
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 AC/DC
Power Module User Guide or OPM15M User Guide.
l Do not stand the RRU upright because the RF ports cannot support the weight of the RRU.
l Place a foam pad or cardboard under the RRU to protect the RRU housing from damage
Procedure
Step 1 After climbing up to the tower, technician A secures the fixed pulley to the tower platform
support and leads the lifting sling through the fixed pulley.
Step 2 Technician C binds the mounting kits using the lifting sling and traction sling on the ground, as
shown in
pulls the traction sling outwards to protect the mounting kits from colliding with the tower.
Figure 6-1 Binding mounting kits for the RRU
(1) Lifting sling
Step 3 Technician A catches the mounting kits and then unties the slings.
Issue 07 (2013-12-30)
NOTICE
during the installation.
Figure
6-1. Then technician B pulls the lifting sling downwards, and technician C
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6 Hoisting an RRU and Related Cables onto a Tower
(2) Traction sling
41
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