NOTE
l The procedure for installing an RRU is not described in this document. For details about how to install
an RRU, see the associated RRU installation guide according to the RRU model.
l The Outdoor Cable Conversion Box (OCB) is an optional component, which is used to connect cables
with different cross-sectional areas. For details about an OCB, see the OCB User Guide.
6.2 Installing a Cabinet
Based on different installation scenarios, an APM30H, TMC11H, IBBS200D, or IBBS200T can
be installed on a concrete floor or a metal pole. In addition, installation in stack mode is also
supported.
6.2.1 Installing a Cabinet on a Concrete Floor
You must install a base on a concrete floor before installing an APM30H, TMC11H, IBBS200D,
or IBBS200T on the base. You can stack another cabinet on the installed cabinet as required.
Installing a Base
This section describes the procedure and precautions to be taken for installing a base on a
concrete floor. You must install a base on a concrete floor before installing an APM30H,
TMC11H, IBBS200D, or IBBS200T on the base.
Context
l An APM30H, TMC11H, IBBS200D, or IBBS200T can be installed independently, side by
side, or in stack mode. Different types of cabinet must be installed in compliance with
cabinet configuration principles. For details about cabinet configuration principles and
installation positions, see the associated cabinet configurations.
l When two cabinets are combined, the minimum distance between the cabinets is 40 mm,
and the maximum distance between the cabinets is 150 mm. If the Noise Reduction Module
(NRM) is installed, the distance between the cabinets is 150 mm.
Figure 6-2 shows the cabinet installation clearance.
Figure 6-2 Cabinet installation clearance (plan view)
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.
30
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