Huawei DBS3900 Installation Manual page 524

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DBS3900 (Ver.B)

Installation Guide

Step 4 Remove the ropes and lifting lugs, and then install the plastic screws, as shown in Figure 4.

Before installing the rubber screws, clean the mounting holes to prevent entry of metal bits.

Figure 14-14 Installing the plastic screws

Step 5 Use four M12x30 bolts to secure the cabinet on the base, as shown in Figure 7.

Issue 06 (2011-09-15)

Huawei Proprietary and Confidential

14 Indoor Scenario with DC Power Supply (BBU Installed

Indoors and RRU Powered Outdoors)