Huawei DBS3900 - Installing Power Cables

Figure 11-14 Installing a DCDU-03B PGND cable
NOTE
A DCDU-03B PGND cable is required only in the DC power supply scenario.
Step 3 Label the installed cables. For details, see Labeling Power Cables.
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11.4.3 Installing Power Cables
When a DBS3900 is deployed indoors with DC power supply, power cables such as a
DCDU-03B power cable, BBU power cable, and RRU power cables must be installed.
Installing a DCDU-03B Power Cable
A DCDU-03B power cable feeds power into a DCDU-03B.
Context
Only -48 V DC power can be supplied to a DCDU-03B. Table 11-3 lists the specifications of a
DCDU-03B power cable.
Table 11-3 Specifications of a DCDU-03B power cable
Cable
One End The Other End Descri
ption
-48 V DC DCDU-03B
power cable
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
DBS3900 (Ver.B)
Installation Guide
11 Indoor Scenario with DC Power Supply (BBU Installed
on a Wall)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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