Figure 4-7 Disconnecting The Cable From The Pmu; Figure 4-8 Disconnecting The Cables From The Subrack - Huawei BBU3900 Hardware Maintenance Manual

4 Replacing the Components in the OMB
2.
3.
Step 5 Remove the component to be replaced.
1.
4-6
Disconnect the monitoring signal cable from the PMU, as shown in

Figure 4-7 Disconnecting the cable from the PMU

Disconnect the AC input power cable and DC output power cable from the subrack, as
shown in Figure 4-8.

Figure 4-8 Disconnecting the cables from the subrack

Loosen the M3 screw on the panel of the PDU, and then remove the PDU, as shown in
Figure 4-9.
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BBU3900
Hardware Maintenance Guide
Figure 4-7.
Issue 03 (2010-06-05)