Huawei DBS3900 Installation Manual page 210

DBS3900 LampSite
Installation Guide
Procedure
Step 1 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure
9-29. Figure 9-29 is for reference only and vacant cable troughs must be blocked based on
onsite requirements.
Ensure that cables and waterproof blocks are properly inserted into troughs.
Figure 9-29 Correct placement of waterproof blocks
Step 2 Close the cover plate of the pRRU cabling cavity, and use an M6 inner hexagon screwdriver
to tighten the screw on the cover plate to 4.8 N· m (42.48 lbf· in.), as shown in Figure 9-30.
Issue 08 (2016-05-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Installing a pRRU3907 or pRRU3916
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