Huawei DBS3900 Installation Manual page 246

DBS3900 (Ver.B)
Installation Guide
Step 2 Remove the four plastic screws from the top of the lower cabinet, as shown in
Figure 8-17 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
Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet.
Figure 8-18
Figure 8-18 Positions of the cover plates for the round cable holes
At least two installers are required for lifting a cabinet.
Issue 06 (2011-09-15)
CAUTION
shows the positions of the cover plates for the round cable holes.
WARNING
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8 Outdoor Scenario with DC Power Supply (BBU Installed
Figure 8-19.
in a +24 V DC APM30H)
Figure 8-17.
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