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