Ericsson RBS 2106 Hardware Reference Manual page 373

The PSU DC converts incoming voltage ranging from -39 V to -72 V DC to the
regulated DC voltage that is required.
P S U -D C
O UT PU T
+2 7. 2 V D C
1 2 0 0 W
F a u lt
O p e ra ti o n
a l
E P C -b u s
T D
R D
I N P U
T
1 2 0 -
2 5 0 V
A C
5 0 / 6 0
H z
1 2 A
EN/LZT 720 0248 R1B
PSU DC
Power Supply Unit
Description
P007807A
1(6)