Huawei DBS3900 Installation Manual page 318

DBS3900 (Ver.B)
Installation Guide
Table 9-2 Specifications of an input power cable for the OMB
Cable
-48 V DC input
power cable for
the OMB
Procedure
Step 1 Install an input power cable for the OMB, as shown in
1.
Issue 06 (2011-09-15)
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.
Link the OT terminals on the blue and black wires at one end of the input power cable for
the OMB to the wiring terminals labeled NEG(-) and RTN(+) on the DCDU-03B
respectively.
Figure 9-20 Installing an input power cable for the OMB
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Copyright © Huawei Technologies Co., Ltd.
9 Outdoor Scenario with DC Power Supply (BBU Installed
One End The Other
End
OT terminal Depending on
2 the external
(M6, 16 mm )
equipment
OT terminal Depending on
2 the external
(M6, 16 mm )
equipment
Figure
in an OMB)
Description
Black
Blue
9-20.
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