25
DCDU
–48 V input power
Installing the BBU Cables
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Installing the BBU in the RRU3004 Rack
Ground terminal of the RRU3004 rackGround terminal of the RRU3004 rackEquipotential cable for the
subrack
The Other End Is Connected to...One End Is Connected to...Cable
LOAD6 port of the DCDUPWR port of the BBUPower cable for the BBU
GEHUB or HUBBTSE1/T1 port of the BBUE1/T1 cable
External power supply systemRTN (+) and NEG (-) terminals at the DC input end of
the DCDU
Power cable for the DCDU
External ground busbarGround bar of the standExternal PGND cable
Ground terminal of the DCDUGround terminal of the RRU3004 rackGround cable for the DCDU
Ground bar of the standGround terminal of the RRU3004 rackGround cable for the subrack
The end with the optical cable labels 1A and
1B is connected to the CPRI_W port of the
cabling cavity of the RRU.
The end with the optical cable labels 2A and 2B is
connected to CPRI ports 0 to 5 of the GTMU of the
BBU.
CPRI optical cable
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