Dcdu-03; Figure 5-6 Dcdu-03; Table 5-4 Dc Power Distribution Functions Of The Dcdu-03 - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description

5.5 DCDU-03

The Direct Current Distribution Unit-03 (DCDU-03) supplies DC power to each component in
the cabinet. The height of the DCDU-03 is 1 U. It can be classified into the DCDU-03B and
DCDU-03C according to the configured MCBs and application scenarios. The two models have
the same exterior, engineering specifications, and ports.
Exterior
Figure 5-6

Figure 5-6 DCDU-03

Functions
The DCDU-03 provides nine -48 V DC outputs and different MCB configurations to meet the
power distribution requirements of the scenarios of distributed and separated base stations.
Table 5-4

Table 5-4 DC power distribution functions of the DCDU-03

DCDU
Model
DCDU-03B
Issue 11 (2010-11-10)
shows the DCDU-03.
describes the DC power distribution functions of the DCDU-03.
DC Output Power
Terminal Consumpti
on
Equipment
LOAD0 to RRU
LOAD5
LOAD6 to BBU and the
LOAD8 transmission
equipment of
the customer
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Copyright © Huawei Technologies Co., Ltd.
5 Auxiliary Devices of the BBU3900
MCB MCB
Specificati Quantity
on
20 A 6
12 A 3
Applicatio
n Scenario
Distributed
base station/
Mini base
station
5-9