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.
140
Figure 8-31
Locking the protection screw
(1) M4 threaded hole
(2) Hole for self-tapping screws
(3) Quincunx screw
----End
8.3.7 Installing a pRRU on Steel Hangers
This section describes how to install a pRRU on steel hangers.
Context
Either M6 or M8 steel hangers can be used for installation.
Procedure
Step 1
Determine the position for installing the pRRU based on the construction blueprint and the
clearance requirements.
For details about the clearance requirements, see 8.1.3 Space Requirements.
Step 2
Install two steel hangers onto the ceiling. A distance of 90 mm must be retained between the
two hangers, as shown in Figure 8-32.