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Installing the DC RRU
o
RRU Cable Installation Scenarios
220 V AC input (4815 installed in the OMB cabinet).
Grounding the shielding layer
of the power cable:
–48 V DC input (DCDU-03C installed in the OMB cabinet).
Grounding the shielding layer
of the power cable:
Metal Shielding layer (25 mm)
Metal Shielding layer (25 mm)
20
PGND cable
The DC RRU power cable is
connected to terminals of the
4815 power system for RRU.
DC RRU power cable
CPRI optical cable
PGND cable
The DC RRU power cable
is connected to one of the
LOAD0 to LOAD5 terminals
of the DCDU-03B.
DC RRU power cable
CPRI optical cable
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