Huawei DBS3900 Installation Manual page 144

DBS3900 LampSite
Installation Guide
Step 2 Place the U-shaped metal plate across the keel. Use a marker to mark the projective positions
of the mounting holes on the suspended ceiling plate, as shown in Figure 8-28.
Figure 8-28 Anchor points on the suspended ceiling plate
To prevent inhalation or eye contact with dust, take adequate preventive measures when drilling holes.
Step 3 Use a hammer drill to drill holes at the anchor points. You are advised to use the hammer drill
with Ф12 bore.
Step 4 Lead two bolts (M4) through the mounting bracket and the ceiling plate. Use a torque
screwdriver to torque the bolts to 1.4 N•m, as shown in Figure 8-29.
Issue 08 (2016-05-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
8 Installing a pRRU3902 or pRRU3911 or
pRRU3911+WIFI
137