3.1 Configuration of the BTS3900A Cabinet
To meet requirements in different outdoor environments, multiple cabinets with different
functions are provided by Huawei for distributed macro base stations. The Advanced Power
module with heat exchanger (APM30H) and Radio Frequency Cabinet (RFC) provides space
and surge protection and enables power distribution and heat dissipation for the BBU3900 and
RFU. The Integrated Battery Backup System with direct ventilation (IBBS200D) and Integrated
Battery Backup System with TEC cooler (IBBS200T) provides long-duration backup power for
a base station. The Transmission Cabinet of 11 U high with heat exchanger (TMC11H) provides
space for customer equipment.
Configurations of the APM30H
Besides the installation space of the BBU3900, the APM30H also provides installation space of
5 U for customer equipment, for example, the EMUA, heater, and Service Outlet Unit (SOU),
which are optional.
Figure 3-1 shows the exterior and configurations of the APM30H.
Figure 3-1 Exterior and configurations of the APM30H
NOTE
The GATM, if needed, is installed at the position of the EMUA in Figure 3-1. When a single site is configured
with two GATMs, the EMUA is installed below the two GATMs.
Table 3-1 describes the configurations.
BTS3900A(Ver.B)
Installation Guide 3 Information About the Installation
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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