Product Data RBS 2106
connected, the balun board is used to convert 75
unbalanced to
100/120
balanced line.
•
A bypass board, to bypass the transmission network during a
power failure.
•
A combined bypass and balun board to convert an unbalanced
system to a balanced system for the RBS, and to bypass an
unbalanced system if the RBS is subjected to a power failure.
ESB (TG-Synchronisation)
If the cabinet is prepared for ESB, there are two ESB
(TG-synchronisation) lines available at this connection field.
LMU
If the Location Measurement Unit (LMU) is used, it is connected to the
RBS 2106 via the DF.
Power
The power provided for external use (for example, for an LMU) at this
connection field is +24 V DC, and it can deliver maximum 100 W of
power.
5.3.4
External Battery Connection Field
This section is under construction.
5.4
RBS Power System
The main characteristics of the RBS 2106 power supply are:
•
Only alternating current (AC) mains supply is used.
•
Battery back-up may be internal or external (but not both at the
same time).
An overview of the power distribution system within the RBS 2106 is
given in the figure below.
EN/LZT 720 0008
P2A
2001-11-28
101 (485)
© Ericsson Radio Systems AB
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Summary of Contents for RBS 2106
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