Step 2 Remove the four plastic screws from the top of the lower cabinet, as shown in Figure 6-17.
Figure 6-17 Removing the plastic screws
Step 3 Lift the upper cabinet onto the lower cabinet, and then align the cable holes of the upper cabinet
with those of the lower cabinet, as shown in Figure 6-19.
CAUTION
Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet.
Figure 6-18 shows the positions of the cover plates for the round cable holes.
Figure 6-18 Positions of the cover plates for the round cable holes
WARNING
At least two installers are required for lifting a cabinet.
DBS3900 (Ver.B)
Installation Guide
6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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