Table 3-5 Configurations of the IBBS200T
No. Module/
Board
Optional/
Mandatory
Maximum
Number of
Boards or
Modules
Configured
in a Single
Cabinet
Description
1 TEC Mandatory 1 The TEC is installed in the
protecting hood for the TEC on the
front door of the cabinet. The TEC
consists of the TEC module, inner
air circulation fan, outer air
circulation fan, heat-dissipation
piece, and monitoring board.
2
CMUA Mandatory 1 The CMUA provides functions of
temperature control, Boolean
alarm detection, and ELU
identification of the cabinet.
3 Power
distribution
box
Mandatory 1 The power distribution box is
installed on the upper right of the
cabinet, transferring and
distributing power to the TEC or
fan and to the storage batteries.
4 Storage
battery
Mandatory 8 The storage battery provides long-
duration backup power for a base
station.
3.2 Application Scenario of the BTS3900A Cabinet
Multiple cabinets can be configured and installed for the BTS3900A to meet the requirements
of different RFU configurations, backup power capacity, and transmission space. In addition,
different configurations of cabinets can be used for the BTS3900A in the 110 V AC/220 V AC
power supply scenario and -48 V DC power supply scenario.
Requirements of Customer Equipment Specifications
Customer equipment to be installed in a Huawei cabinet must satisfy the following requirements:
l Dimension requirements (as shown in Figure 3-6):
– The customer equipment must be 19-inch wide, which is the width of the standard
equipment.
– The maximum depth of the customer equipment is 280 mm if the equipment supports
natural ventilation or has air vents on the right and left; the maximum depth of the
customer equipment is 250 mm if the equipment has air vents in the front and back.
– A maximum cabling pace in front of the panel is 100 mm.
BTS3900A(Ver.B)
Installation Guide 3 Information About the Installation
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
13
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