Huawei DBS3900 Installation Manual page 428

DBS3900 (Ver.B)
Installation Guide
Context
Only -48 V DC power can be supplied to a DCDU-03B.
DCDU-03B power cable.
Table 12-3 Specifications of a DCDU-03B power cable
Cable
-48 V DC DCDU-03B
power cable
Procedure
Step 1 Prepare a DCDU-03B power cable.
1.
2.
Step 2 Install the DCDU-03B power cable, as shown in
1.
2.
Issue 06 (2011-09-15)
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 an OT terminal to each end of the cable. For details, see Assembling the OT Terminal
and the Power Cable.
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.
Link the OT terminals at the other end to external power equipment.
Figure 12-12 Installing a DCDU-03B power cable
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12 Indoor Scenario with DC Power Supply (BBU Installed in
One End
RTN(+) OT terminal (M6, 16
wire 2
mm )
NEG(-) OT terminal (M6, 16
wire 2
mm )
Figure
a 19-Inch Rack)
Table 12-3 lists the specifications of a
The Other End
Depending on the
external
equipment
Depending on the
external
equipment
12-12.
Descri
ption
Black
Blue
415