26
4815
Only two countersunk
screws are required.
Installing the BBU Cables
j
Installing the BBU in the RRU3004 Rack
220 V input power
Cable One End Is Connected to... The Other End Is Connected to...
CPRI optical cable The end with the optical cable labels 2A and
2B is connected to CPRI ports 0 to 5 of the
GTMU of the BBU.
The end with the optical cable labels 1A and
1B is connected to the CPRI_W port of the
cabling cavity of the RRU.
PGND cable for the RRU3004 rack Ground terminal of the RRU3004 rack Ground bar of the stand
External PGND cable Ground bar of the stand External ground busbar
Equipotential cable for the rack Ground terminal of the RRU3004 rack Ground terminal of the RRU3004 rack
Power cable for the BBU PWR port of the BBU LOAD1 port of the 4815
4815 - BBU monitoring signal cable MON1 port of the BBU RS232/RS485 port of the 4815, close to the
232 side
E1/T1 cable E1/T1 port of the BBU GEHUB or HUBBTS
PGND cable for the 4815 Bolts for the mounting ears of the 4815 Ground terminal of the RRU3004 rack
Input power cable for the 4815 AC INPUT port of the 4815 Power supply equipment of the customer
The mounting ears need to be installed in an
inverse manner during the installation of the
4815.
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