Figure 4-11 Removing The Pmu; Figure 4-12 Removing The Subrack - Huawei BBU3900 Hardware Maintenance Manual

4 Replacing the Components in the OMB
4.
4-8

Figure 4-11 Removing the PMU

1
2
Loosen the four M6 screws on the mounting ears of the subrack, and then remove the
subrack, as shown in Figure

Figure 4-12 Removing the subrack

Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-12.
BBU3900
Hardware Maintenance Guide
Issue 03 (2010-06-05)