Huawei DBS3900 Installation Manual page 307

DBS3900 (Ver.B)
Installation Guide
Figure 9-6 Marking anchor points
Step 2 Use the hammer drill with a Φ14 bit to drill a hole at each marked anchor points, and then install
an expansion bolt assembly, as shown in
Issue 06 (2011-09-15)
NOTE
After the expansion bolt assembly is removed from the wall, the plastic tube must be discarded.
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9 Outdoor Scenario with DC Power Supply (BBU Installed
Figure 9-7.
in an OMB)
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