Ericsson RBS 2106 Hardware Reference Manual page 323

DC Filter for RBS 2106
1 Product Overview
The DC Filter is the interface between a +24 V DC external power source,
such as a battery, and the IDM inside the RBS 2106.
1.1 Main Functions
The DC Filter has the following main functions:
•
•
•
2 Dimensions
The DC Filter has the following dimensions:
Table 1
Height
121 mm
3 Function Description
Figure 1 Circuit diagram
This unit filters the incoming +24 V DC to conform with the internal
requirements of the RBS 2106.
The filter is formed by a coaxial feed-through capacitor. The capacitor
provides full 360° earthing around the cable.
EN/LZT 720 0302 R1A
EMC filtering
Connection of +24 V DC to the cabinet
Distribution of +24 V DC power to the IDM
Size and weight
Width
222 mm
+
RBS
-
Depth
171 mm
C 1
Filter for External Batteries
Weight
5 kg
+
DC input
-
P009811A
3 (4)