Product manual

Configuration directions, Powering BS330, BS340, BS370 type base stations
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
29
Fig. 14 Powering base stations via modular cabinet with battery power unit
5.3.3 –48 V external source powering
Via an external −48 V source, any configuration of cabinets and base stations can be powered as
long as the power specifications of the external source are met. This method is suitable for any situation
where PBX power is available (see figure
15) or any other −48 V supply with sufficient capacity.
Fig. 15 Modular cabinets powered by PBX
Note:
When using the PBX option the PBX supplier and/or PBX documentation shall be referred, to assure
that the PBX power supply matches the worst case power requirements of the DCT1800-GAP system.
Base
stations
Max
19 to 38
190 W
Max 14 to 28
Base
stations
240 W
140 W
Base station power available
from the two cabinets together
Modular cabinet 1
2
Backplane
Modular cabinet
Internal
CLUs/
CLU-Ss/
SLUs
Battery
power
unit
PW-
EXT
PW-
BP
3
MCCB
240 W
Battery
power
unit
5
48Vdc
016
CAB
4
CAB
3
CAB
1
CAB
2
PABX
017