User Manual
Table Of Contents
Ericssonwide Internal
DESCRIPTION 5 ( 8 )
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CBC/XRX/M (Kai Lian) 2011-05-05 C
Prepared (also subject responsible if other) No.
Approved Checked Date Rev Reference
Figure 3 Block diagram of the dTRU with switching relay
The TRU consists of the following main blocks:
• CPU system
• DSP system
• RC system
• Radio system
1.4.1 CPU System
The CPU system is a control unit in the RBS. It consists of a CPU, support
logic, memory and logic for handling the interfaces.