Panel
shows the panel of the DCDU-01.
Figure 4-42
Panel of the DCDU-01
Functions
The DCDU-01 has the following functions:
l
Supports one -48 V DC inputs
l
Supports ten -48 V DC outputs
–
One 25 A output to the SPARE2 port
–
Nine 12 A outputs to other ports
l
Supplies power to only the BBU3900, RFUs, and fan box in the cabinet, but not external
devices
Ports
describes the ports, terminals, and power switches on the panel of the DCDU-01.
Table 4-56
Ports, terminals, and power switches on the panel of the DCDU-01
Port
Label
Connector
Description
Power input
wiring
terminals
NEG(-)
OT terminal
Negative input wiring
terminal
RTN(+)
Positive input wiring
terminal
Power output
port
SPARE2, SPARE1,
BBU, FAN, and
RFU5 to RFU0
Parallel terminal
Providing 10 power
outputs to the modules
such as the BBU3900,
RFUs, and fan box
Power switch
SPARE2, SPARE1,
BBU, FAN, and
RFU5 to RFU0
-
Powering on or powering
off the modules such as
the BBU3900, RFUs, and
fan box
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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