User Manual

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Ericsson Internal
DESCRIPTION 27 ( 50 )
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Figure 11 RBS 2106 V3 Overview
6.1 Standard Hardware Units
This section briefly describes the standard hardware units required for function,
irrespective of configuration or frequency.
ACCU
The AC Connection Unit (ACCU) connects, disconnects, and distributes the
incoming AC power supply to the PSUs and the climate unit. It consists of
two parts: an ACCU Connection Unit (ACCU-CU) and an ACCU Distribution
Unit (ACCU-DU). ACCU-02 is used in RBS 2106 and ACCU-05 is used in
RBS 2106i and RBS 2106 V3.
Number of units: 1
BFU
The Battery Fuse Unit (BFU) supervises connection or disconnection of the
batteries. It can also be used to provide prioritized power supply, for example,
to the transmission equipment.
Two types of BFU are available: BFU 21 and BFU 32. BFU-21 is used in RBS
2106 and RBS 2106i. BFU-32 is used in RBS 2106 V3.
Number of units: 1