Huawei DBS3900 User Manual

Table 9-4 Specifications of RRU power cables
Cable One End The Other End Remarks
RRU power
cable
RTN(+)
wire
OT terminals bent by
90° [M4, 3.3 mm
2
(12
AWG)]
OT terminal [M4, 3.3
mm
2
(12 AWG)]
North
American
standard
Black
NEG(-)
wire
OT terminals bent by
90° [M4, 3.3 mm
2
(12
AWG)]
OT terminal [M4, 3.3
mm
2
(12 AWG)]
North
American
standard
Blue
Shield layer OT terminals bent by
90° [M4]
Heat shrink
tubing
Black
RRU power
cable
RTN(+)
wire
OT terminals bent by
90° (M4, 4 mm
2
)
OT terminal (M4, 4
mm
2
)
European
standard
Brown
NEG(-)
wire
OT terminals bent by
90° (M4, 4 mm
2
)
OT terminal (M4, 4
mm
2
)
European
standard
Blue
Shield layer OT terminals bent by
90° [M4]
Heat shrink
tubing
Black
RRU power
cable
RTN(+)
wire
OT terminals bent by
90° (M4, 4 mm
2
)
Easy power receptacle
(pressfit type)
connector
NEG(-)
wire
OT terminals bent by
90° (M4, 4 mm
2
)
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 an RRU power cable.
1. Cut the cable to the required length based on the actual cable route.
2. Add OT terminals to the blue, black (or brown) wires and shield layer of the RRU power
cable at the DCDU-03B end, as shown in Adding OT Terminals to the DC RRU Power
Cable on the DCDU Side.
3. Add OT terminals or an easy power receptacle (pressfit type) connector to the other end of
the RRU power cable according to the type of power supply socket on the RRU.
l Add an OT terminal. For details, see the related RRU Installation Guide.
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.
308

Huawei DBS3900 Specifications

General

Brand	Huawei
Model	DBS3900
Category	Accessories
Language	English