Huawei DBS3900 Installation Manual page 141

DBS3900 LampSite
Installation Guide
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If the pRRU is inappropriately installed, heat dissipation of the pRRU deteriorates and the
pRRU may not work properly, as shown in
Figure 9-1 Inappropriately installed pRRU
Correct installation methods:
To ensure the heat dissipation of the pRRU and waterproofing of the ports at the bottom of the
RRU, the vertical deviation angle of a pRRU must be less than or equal to 10°, as shown in
Figure
Issue 06 (2015-10-30)
The pRRU cannot be installed in an enclosed equipment room without a cooling system.
When multiple pRRUs are installed in centralized mode, the minimum clearance
requirements must be met. For details, see
Requirements.
NOTICE
9-2.
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9.1.3 Installation Clearance and Space
Figure 9-1.
9 Installing a pRRU3907
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