Figure 9-12 Installing the mounting ears reversely
Step 2 Slide a BBU along the guide rails into an OMB, and then tighten four M6x16 screws on the
panel until the tightening torque reaches 3 N·m, as shown in Figure 9-13.
Figure 9-13 Installing a BBU
----End
9.4 Installing Cables
This section describes the procedures and precautions to be taken for installing power cables,
transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed
outdoors and the BBU is installed in an OMB.
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.
298
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