Huawei DBS3900 Installation Manual page 321

DBS3900 (Ver.B)
Installation Guide
Table 9-4 Specifications of RRU power cables
Cable
RRU power
cable
RRU power
cable
RRU power
cable
Procedure
Step 1 Prepare an RRU power cable.
1.
2.
3.
Issue 06 (2011-09-15)
RTN(+)
wire
NEG(-)
wire
Shield layer
RTN(+)
wire
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.
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Copyright © Huawei Technologies Co., Ltd.
9 Outdoor Scenario with DC Power Supply (BBU Installed
One End
OT terminals bent by
2
90° [M4, 3.3 mm (12
AWG)]
OT terminals bent by
2
90° [M4, 3.3 mm (12
AWG)]
OT terminals bent by
90° [M4]
OT terminals bent by
2
90° (M4, 4 mm )
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 )
The Other End
OT terminal [M4, 3.3
2
mm (12 AWG)]
OT terminal [M4, 3.3
2
mm (12 AWG)]
OT terminal (M4, 4
2
mm )
OT terminal (M4, 4
2
mm )
Easy power receptacle
(pressfit type)
connector
in an OMB)
Remarks
North
American
standard
Black
North
American
standard
Blue
Heat shrink
tubing
Black
European
standard
Brown
European
standard
Blue
Heat shrink
tubing
Black
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