Huawei DBS3900 User Manual

Context
Only -48 V DC power can be supplied to a DCDU-03B. Table 12-3 lists the specifications of a
DCDU-03B power cable.
Table 12-3 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
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 Prepare a DCDU-03B power cable.
1. Cut the cable to the required length based on the actual cable route.
2. Add an OT terminal to each end of the cable. For details, see Assembling the OT Terminal
and the Power Cable.
Step 2 Install the DCDU-03B power cable, as shown in Figure 12-12.
1. Link the OT terminals at one end of the DCDU-03B power cable to the wiring terminals
labeled NEG(-) and RTN(+) on the DCDU-03B.
2. Link the OT terminals at the other end to external power equipment.
Figure 12-12 Installing a DCDU-03B power cable
DBS3900 (Ver.B)
Installation Guide
12 Indoor Scenario with DC Power Supply (BBU Installed in
a 19-Inch Rack)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
415

Huawei DBS3900 Specifications

General

Brand	Huawei
Model	DBS3900
Category	Accessories
Language	English