Battery Back-Up; Output Power; Power Consumption - Ericsson RBS 2308 Product Description

RBS 2308
DC Power Supply
The RBS 2308 can be operated on -48 V DC (-40.5 to -57.0 V DC) supply.
The following fuses are recommended for DC power supply.
Table 23
Cabinet Orientation
Vertical
Horizontal
(1) Horizontal mounting requires forced air flow over the RBSs cooling fins.
7.2

Battery Back-up

The RBS 2308 supports an external Power and Battey Cabinet (PBC). External
alarms can be used to detect loss of DC power.
For more information about the PBC, see:
7.3

Output Power

The RBS can supply the MINI-LINK or LMU with power according to the table
below:
Table 24
Voltage range
Connector type
Cable gland capacity
7.4

Power Consumption

The power consumed by the RBS 2308 in both normal operation and with
heating is given in the table below.
EN/LZT 720 0327/3 Uen R1A
DC supply fuses recommendation
(1)
PBC Product Description
Output power characteristics
Recommended Fuse Rating, DC Supply
20 A
25 A
EN/LZT 720 0252
-48 V DC
Terminals 2 x maximum 2.5 mm
6 – 10 mm diameter (Quantity:1)
Micro RBS
2
25 (30)