3.1 Board and Module Configurations
This chapter describes the configuration principles of the boards and modules in the cabinet.
3.1.1 Module Configurations in the Cabinet
3.1.2 Board Configurations of the BBU3900
3.1.1 Module Configurations in the Cabinet
The BTS3900 cabinet uses a modular design. The main components of the cabinet are the
BBU3900, RFU, DCDU-01, and fan box. The power equipment (DC/DC) and power equipment
(AC/DC) are optional components of the cabinet.
The BTS3900 cabinets can be classified into three types: the BTS3900 cabinet (-48 V DC),
BTS3900 cabinet (+24 V DC), and BTS3900 cabinet (AC).
Figure 3-1
Module configurations in the BTS3900 cabinet (-48 V DC)
(1) RFU
(2) Fan box
(3) Air inlet
(4) BBU3900
(5) DCDU-01
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3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-2
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Issue 04 (2011-02-15)