DBS3900 LampSite
Installation Guide
9 Installing a pRRU3907 or pRRU3916
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
174
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.
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 9-2.
Figure 9-2
Requirements for the vertical deviation angle of a pRRU
(1) pRRU
(2) Installation support (pole or wall)
Table 9-2 lists the mounted suggestions of different installation scenarios.