Figure 11-5 Marking anchor points for the wall-mounting ears for the BBU
(1) Level (2) BBU (3) Wall
Step 3 Drill holes at the anchor points, and then install expansion bolt assemblies, as shown in Figure
11-6.
Figure 11-6 Drilling holes and installing expansion bolt assemblies
(1) M6x60 bolt
(2) Nut (3) Spring washer (4) Flat washer (5) Expansion tube
1. Use a hammer drill with bit 8 to perpendicularly drill holes ranging from 50 mm to 60 mm
at the marked anchor points.
DBS3900 (Ver.B)
Installation Guide
11 Indoor Scenario with DC Power Supply (BBU Installed
on a Wall)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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