Figure 9-7 Installing the expansion bolt assembly
(1) Bolt M10 x 75 (2) Spring washer 10 (3) Plastic tube (4) Flat washer 10 (5) Expansion tube
Step 3 Align the expansion bolt assemblies with the hole and secure the backplane to the wall, as shown
in Figure 9-8.
Figure 9-8 Installing the backplane
DBS3900 (Ver.B)
Installation Guide
9 Outdoor Scenario with DC Power Supply (BBU Installed
in an OMB)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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