Ericsson RBS 2106 Hardware Reference Manual page 92

Radio Base Station
External Indicators
The RBS 2206 has three indicators on the cabinet door:
RBS Fault
External Battery Mode
External Alarm
Buttons
dTRU reset
DXU reset
Local/remote mode
Test call
Barcode
The barcode for product identification is readable without disturbing the RBS
function.
7 Power System
The power system of the RBS 2206 depends on the choice of power supply
and may include a number of units outside the RBS.
The RBS 2206 can be connected either to AC mains supply voltage or to DC
supply voltage.
Table 8
Nominal voltage
120 – 250 V AC,
50 – 60 Hz
+24 V DC
-48 – -60 V DC
7.1 AC mains supply voltage
AC mains supply voltage is connected to the cabinet using four AC cables. If
the power supply does not meet the AC power requirements, then filters and
stabilisers must be installed to protect the equipment and ensure proper
operation.
18 (24)
There is a fault in the RBS.
The RBS is operating on battery power.
There is at least one external alarm present in
the RBS.
Resets the dTRU
Resets all subunits
Changes RU mode to local or remote
Initiates the test operation function
Power supply voltage alternatives
Range
108 – 275 V AC,
45 – 65 Hz
+20.5 – +29 V DC
-40 – -72 V DC
PSU
PSU-AC
PSU not needed
PSU-DC
EN/LZT 720 0225 R3A
RBS 2206