User Manual

Table Of Contents
RBS 2202Macro Indoor RBS
5.1 Standard Hardware Units
P005819D
IDM
TRUs
CDUs
Base frame
PSUs
ECU
DXU
Cowl
(Optional)
Figure 5 Standard Hardware Units
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.
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.
12 (20)
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N/LZT 720 0223 Uen R2A