Ericsson RBS 2106 Hardware Reference Manual page 70

Radio Base Station
Mains Fuses
Table 12 Mains fuses recommendation
Minimum for Safe
Function
25 A/40 A
(1)
7.2 Battery Back-up
Battery back-up is used to power the site during mains failure and also to
protect the site from short-term interruptions in the mains supply.
Internal Battery Back-up
The following battery back-up levels can be achieved in the cabinet itself:
•
•
If no TM equipment is used, it is possible to add additional batteries in the
TMA compartment. The back-up time will then be enhanced by 100%.
External Battery Back-up
Two external battery back-up alternatives are supplied by Ericsson: the BBS
or the battery frame. Both are connected via the DC Filter.
7.3 Output Power
The RBS can supply the TM with power according to the table below:
Table 13 Output power
-48 V DC
+24 V DC
-48 V DC and +24 V DC
Note:
26 (30)
(1)
Three-phase/Single phase
Full: one hour back-up time
Half: half an hour back-up time
Power to the transport module can be distributed to up to 10 internal
users via the optional RU/ADM.
Recommended for
Maximum Selectivity
(1)
32 A/50 A
2 x 200 W
2 x 250 W
200 W + 250 W
RBS 2106
Maximum Allowed
Fuse Rating
63 A
EN/LZT 720 0222 R3A