User Manual

Table Of Contents
RBS 2102Macro Outdoor RBS
CDU - Combining and Distribution Unit
The CDU is the interface between the transceivers and the antennas. Common
functions include TX combining, RX preamplifier and distribution, antenna
system supervision, and Tower Mounted Antenna (TMA) support.
Number of units: 1 3.
Combined Climate Unit
The Combined Climate Unit maintains climate protection by a combination of
air conditioning, heat exchanging and heating. The units will operate in different
modes depending on the internal temperature of the cabinet. The climate
protection maintains the internal temperature within the working range.
Number of units: 1.
DC/DC Converter
The DC/DC converter provides -48 V DC power for the TM.
Number of units: 0 2.
DXU - Distribution Switch Unit
The DXU is the central control unit for the RBS. Common functions include
distribution switching, BSC interface, timing, external alarm collection, local
bus control, and interface switching.
Number of units: (0) 1.
Note: In a master-extension configuration, the DXU is used only in the master
cabinet.
ECU - Energy Control Unit
The ECU controls and supervises the power equipment and the climate control
equipment. The ECU also monitors the cabinet temperature.
Number of units: 1.
IDM - Internal Distribution Module
The IDM provides distribution and fusing for the +24V DC system voltage.
Number of units: 1.
14 (24)
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N/LZT 720 0220 Uen R2A