Reference Manual

Product Data RBS 2206
75  unbalanced lines or 120

balanced lines. The second case is
1.5 Mbit/s PCM balanced 100

lines.
On the top part of the cabinet are connections for optional transmission
equipment which is mounted externally. The connections are:
•
PCM cables
•
+24 V DC
•
Blank panels for connectors to Optional Transmission Equipment
(OXU)
6.5.4 Transmission Power
RBS 2206 can feed the transmission equipment with +24 V DC. The
maximum power output is 250 W.
BBS 2000 can feed the transmission equipment with +24 V DC. If a
DC/DC converter is used, the BBS 2000 can deliver -48 V DC. The
converter is mounted in the BBS 2000.
Maximum power outputs from the BBS 2000 are given in the table
below.
Table 66 Maximum power output
Battery Fuse Unit
Current Power Output
BFU-21 2 x 12 A
max. 2 x 250 W (+24 V DC)
200 W (-48 V DC)
BFU-22 40 A
max. 800 W (+24 V DC)
6.5.5 Cascading
P007503A
RBS 2
RBS 1
BSC
Next RBS
BSC
G703-1
G703-2
G703-3
G703-4
G703-1
G703-2
G703-3
G703-4
Figure 58 Cascade connection
RBS 2000 can be cascaded. This means that the unused time slots from
the BSC are cascaded from the first base station to a second base station,
126 (485)
EN/LZT 720 0008 P2A
2001-11-28
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