Ericsson RBS 2106 Hardware Reference Manual page 271

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The circuit breaker disconnects the batteries if the current becomes too high. It
can also be manually operated on the front of the BFU to connect or
disconnect the batteries from the DC distribution.
 6KXQW
The shunt is used to sense the input current. The SM senses the value, which
is used for control of the BFU.
 70 DQG (& 6XSSO\
There are two TM outputs for supply of transmission equipment and one EC
output for priority supply of the Control Board in the ACCU.
4 Interfaces
The BFU has the following interfaces:
•
•
•
•
•
•
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The tables below show input data and output current.
Battery
RBS DC distribution
TM1 supply 15 A
TM2 supply 15 A
EC supply 2 A
EPC bus
5(8)
EN/LZT 720 0234 R1A