Ericsson RBS 2106 Hardware Reference Manual page 278

4(6)
3 Function Description
Figure 1 Block diagram of BFU-22
The BFU consists of the following blocks:
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•
•
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3.1 Contactor
The contactor is used to disconnect the batteries from the system. The SM
controls the contactor.
EN/LZT 720 0276 R1A
Shunt
Battery
Supervision
Module
Contactors
Circuit breakers
Shunt
TM and EC supply
Supervision module
Contactor
200A
TM and EC
supply
Contactor
50A
RBS DC
distribution
TM
EPC bus
(opto)
P008644B