Huawei DBS3900 Installation Manual page 245

DBS3900 (Ver.B)
Installation Guide
Figure 8-15 Securing the IBBS200D on the base
(1) M12x30 bolt
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(Optional) Installing Two Cabinets in Stack Mode
This section describes the procedure and precautions to be taken for installing two cabinets in
stack mode. After a cabinet is installed on a base, another cabinet can be stacked on this cabinet
based on actual requirements.
Procedure
Step 1 Remove the cover plates for cable holes from the top of the lower cabinet, as shown in
8-16.
Figure 8-16 Removing the cover plates for cable holes
Issue 06 (2011-09-15)
8 Outdoor Scenario with DC Power Supply (BBU Installed
(2) Spring washer
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(3) Flat washer (4) Gasket with an oblong hole
in a +24 V DC APM30H)
Figure
232