Huawei RRU3203 Installation Manual page 19

Installing the RRU Cables
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RRU+BBU Installed Against the Wall
The DC RRU power cable is connected to one group of the LOAD0 to LOAD5 terminals of the DCDU-03B.
When the BBU and RRU are installed indoors, the DC RRU power cables need not to be grounded.
h
RRU+19-Inch Cabinet
LOAD0
At the end of the DC RRU power cable connected to the DCDU-03B, you need to make the shielding
layer of the power cable into an OT terminal, and then connect the OT terminal to the PGND terminal of the
corresponding port on the DCDU-03B. For details about making an OT terminal, see pages 22 and 23.
The DC RRU power cable is connected to LOAD0 to LOAD5 on the DCDU-03B.
LOAD6
LOAD0
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DC RRU power cable
CPRI optical cable
BBU power cable
PGND cable
DCDU panel facing
the side, and the
BBU panel facing
downward
DC RRU power cable
CPRI optical cable