Huawei BBU3900 Installation Manual page 17

Installing the BBU in the 19-Inch Rack
Installing the BBU Cables
d
(1) BBU power cable
(5) E1 transfer cable
(9) External power cable
(2) Monitoring signal cable for
the DCDU-03B
(6) E1 cable
16
②
Connect the BBU
power cable to the
LOAD8 terminal on
the DCDU-03B.
⑧
Connect the RRU
power cable to one of
the LOAD0 to
LOAD5 terminals on
the DCDU-03B.
(3) PGND cable (4) CPRI optical cable
(7) BBU alarm cable (8) RRU power cable