Huawei DBS3900 Installation Manual page 88

DBS3900 LampSite
Installation Guide
Figure 7-17 Anchor points on the pRRU3901 mounting bracket (unit: mm)
(1) Plate
To prevent inhalation or eye contact with dust, take adequate preventive measures when
drilling holes.
Step 3 Use a hammer drill with φ8 bore to drill holes at the anchor points.
Step 4 Lead the M6x80 bolts through the mounting bracket and the ceiling plate, and use a torque
screwdriver to torque the bolts to 5 N•m, as shown in Figure 7-18.
Issue 08 (2016-05-30)
(2) Mounting bracket
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Installing a pRRU3901
(3) Anchor point
81