Reference Manual

RBS 2106 Radio Base Station
EN/LZT 720 0222 R3A 13 (30)
Climate
unit
ACCU
DXU
IDM
PSU
AC main switch
CDU
dTRU
CXU, ASU and
OXU dummies
Bias injector
DF
BFU ADM
DC/DC converter
OXU FCU
P008683D
Figure 7 RBS 2106 overview
5.1 Standard Hardware Units
This section briefly describes the standard hardware units required for
function, irrespective of configuration or frequency.
ACCU – AC Connection Unit
The ACCU connects, disconnects, and distributes the incoming AC power
supply to the PSUs and the climate unit. It consists of two parts: a Connection
Unit and a Distribution Unit.
Number of units: 1
BFU – Battery Fuse Unit
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.
Each RBS cabinet will require its own BFU, regardless of battery back-up
configuration.
Number of units: 1