Huawei DBS3900 Installation Manual page 209
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Also See for DBS3900:
- Installation manual (303 pages) ,
- Product description (70 pages) ,
- Hardware description (32 pages)
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DBS3900 (Ver.B)
Installation Guide
Cable
RRU power
cable
Procedure
Step 1 Prepare an RRU power cable.
1.
2.
3.
Step 2 Install the RRU power cable, as shown in
1.
2.
Issue 06 (2011-09-15)
NEG(-)
wire
Shield layer
RTN(+)
wire
NEG(-)
wire
NOTE
The colors and structures of cables vary according to countries and areas. If the cables are purchased locally,
the colors and structures of the cables may be different.
Cut the cable to the required length based on the actual cable route.
Add OT terminals to the blue, black (or brown) wires and shield layer of the RRU power
cable at the DCDU-03B end, as shown in Adding OT Terminals to the DC RRU Power
Cable on the DCDU Side.
Add OT terminals or an easy power receptacle (pressfit type) connector to the other end of
the RRU power cable according to the type of power supply socket on the RRU.
l Add an OT terminal. For details, see the related RRU Installation Guide.
l Add an easy power receptacle (pressfit type) connector. For details, see the related RRU
Installation Guide.
Link the OT terminals on the blue, black (or brown) wires and shield layer of the RRU
power cable to the wiring terminals labeled NEG(-), RTN(+) and PGND near the LOAD0
label on the DCDU-03B respectively.
NOTE
A DCDU-03B supplies power to a maximum of six RRUs, and an RRU power cable can be connected
to any of the wiring terminals labeled LOAD0 to LOAD5 on the DCDU-03B.
Connect the blue and black (or brown) wires at the other end to the wiring terminals labeled
NEG(-) and RTN(+) in the cabling cavity of the RRU respectively.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Outdoor Scenario with DC Power Supply (BBU Installed
One End
OT terminals bent by
2
90° (M4, 4 mm
)
OT terminals bent by
90° [M4]
OT terminals bent by
2
90° (M4, 4 mm
)
OT terminals bent by
2
90° (M4, 4 mm
)
Figure
11-17.
The Other End
OT terminal (M4, 4
2
mm
)
Easy power receptacle
(pressfit type)
connector
in a TMC11H)
Remarks
European
standard
Blue
Heat shrink
tubing
Black
196
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