DBS3900 LampSite
Installation Guide
8 Installing a pRRU3902 or pRRU3911 or
pWIFI
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
133
Figure 8-22
Drilling holes by using a crown saw
To prevent inhalation or eye contact with dust, take adequate preventive measures when drilling holes.
c.
Use a bolt (M4) to partially connect the mounting bracket and the U-shaped metal
plate, as shown in Figure 8-23.
Figure 8-23
Partially connecting the mounting bracket and the U-shaped metal plate
The bolt used for installing the pRRU on a suspended ceiling plate depends on the plate thickness:
The delivered bolt (M4x35) is used if the plate thickness is less than 25 mm.