Ericsson RBS 2106 Hardware Reference Manual page 318

+24 V DC to -48 V DC/DC Converter for RBS 2106
5.1 Signal and Power Interfaces
Input data
Table 3
Nominal voltage
Permitted variations
Undervoltage protection
Default start level
Default stop level
Rated power
Output data
Table 4
Rated voltage
Setting range
Default output
Overvoltage protection
Output current
Efficiency at 200 W output
Current or power
limitation at U
Noise voltage, psophometric value
5.2 Operator Interface
The DC/DC Converter has the following interfaces, all located on the front
panel:
•
•
•
•
6 (8)
Input power data
Output power data
:
out
ON/OFF switch
Input stop potentiometer
Output stop adjustment potentiometer
Start and Stop Test ports
+24 V DC
+18.0 to 31.0 V DC
+18.0 to 21.0 V DC
+23.5 ±0.2 V DC
+18.5 ±0.2 V DC
200 W
-54 V
-48 V, 4.6 – 5.2 A
-40 V, 5.0 – 6.0 A
DC/DC Converter
-48 V DC
-46.0 to –57.0 V DC
54 V DC
-57.5 to 59.5 V DC
4.0 A at –48 V
88%
225 W
225 W
225 W
≤ 1 mV
EN/LZT 720 0301 R1A