Ericsson RBS 2106 Hardware Reference Manual page 332

4(6)
4 Function Description
CPU
system
DSP
system
Y-link
CDU-TX ctrl bus
DSP
Y-link
system
Figure 1 Block diagram of the dTRU
The TRU consists of the following main blocks:
•
•
•
•
EN/LZT 720 0242 R1A
RC system
RC system
CPU system
DSP system
RC system
Radio system
Radio system
Radio
TX ctrl
trans-
TX data
mitter
RX ctrl
A
Radio
RX data B
receiver
RX data A
Hybrid
comb
RX ctrl
A
Radio
RX data B
receiver
RX data A
Radio
TX ctrl
trans-
TX data
mitter
Radio System
TX1
B
RX1
RX2
HC1
TX1+TX2
HC2
B
RX3
RX4
TX2
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