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RRU3942&RRU3642
Installation Guide
7.6 Installing an RRU on an IFS06
This section describes the procedure and precautions for installing an RRU on an IFS06.
Prerequisites
The hoist clamp on the main bracket is secured properly.
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 an RRU to protect the RRU housing from damage
Context
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l
l
l
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Procedure
Step 1 Remove the plastic cap, M10 nut, spring washer, thick flat washer, auxiliary bracket, and
M10x150 bolt one by one. Reserve the main bracket on the IFS06.
Step 2 Use the M10x50 bolts delivered with the IFS06 to secure the main bracket to the IFS06, and
then use an M10 torque socket wrench to secure the bolts to 30 N·m (265.52 lbf·in.).
Issue 07 (2013-12-30)
NOTICE
during the installation.
The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for
heights of RRUs.
RRUs can be installed on an IFS06 only when the ambient temperature is higher than or
equal to the lowest working temperature of the RRU and at least 5°C (41°F) lower than the
highest working temperature of the RRU. In this scenario, the IFS06 supports at least three
RRUs. When the ambient temperature is higher than or equal to the lowest working
temperature of the RRU and at least 10°C (50°F) lower than the highest working
temperature of the RRU, the IFS06 supports a maximum of six RRUs.
NOTE
For details about the operating temperature of the RRU, see section "Technical Specifications of
RRUs" in 3900 Series Base Station Technical Description.
Install RRUs in the sequence from bottom to top and from left to right.
This section describes how to install an RRU in height-unrestricted scenarios. The
procedure for installing an RRU in height-restricted scenarios is the same as that in height-
unrestricted scenarios.
When installing the main bracket, you need to use the M10x50 bolts delivered with the
IFS06.
Rubber washers are easily compressed or broken, whereas do not need to be replaced.
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7 Installing the RRU
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