Huawei DBS3900 Installation Manual page 137

DBS3900 LampSite
Installation Guide
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Issue 08 (2016-05-30)
Figure 8-19 Installing the pRRU mounting bracket
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.
The delivered bolt (M4X60) is used if the plate thickness ranges from 25 mm to 45 mm.
If the screws cannot be tightened using a Phillips screwdriver, use a hex key or an electric
screwdriver to assist the installation.
e. Fit the rotation axis on the pRRU into the hooks on the mounting bracket, and then
push the pRRU against the mounting bracket until a click is heard. See Figure 8-20.
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8 Installing a pRRU3902 or pRRU3911 or
pRRU3911+WIFI
130