User Manual

dTRU Unit Description
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.
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8/1551-LZA 701 0001 Uen PC1 2010-09-26