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DBS3900 LampSite 
Installation Guide 
9 Installing a pRRU3907 or pRRU3916 
 
Issue 08 (2016-05-30) 
Huawei Proprietary and Confidential         
Copyright © Huawei Technologies Co., Ltd. 
204 
 
Figure 9-30
 Closing the cover plate of a pRRU cabling cavity 
 
 
Step 3  Take off the ESD gloves, and pack up all tools. 
----End 
9.5 Checking the pRRU Hardware Installation 
pRRU hardware installation checking includes hardware and cable installation checking. 
Table 9-5 lists the hardware installation checking items. 
Table 9-5
 Hardware installation checking list 
No. 
Item 
The installation position of each device strictly complies with the engineering 
design and meets clearance requirements. Sufficient space is reserved for 
equipment maintenance. 
The pRRU is securely installed. 
The cover plate is securely installed on the RRU cabling cavity. 
Waterproof blocks are securely installed in vacant cable troughs of the pRRU 
cabling cavity, and the cover plate of the cabling cavity is securely installed. In 
addition, vacant RF ports are covered with dustproof caps and the caps are 
tightened. 
Labels are correct, legible, and complete at both ends of each cable, feeder, and 
jumper.