Huawei DBS3900 - Page 399

Step 3 Route the cable by referring to 11.4.1 Cabling Requirements, and then use cable ties to bind
the cable.
Step 4 Label the installed cables. For details, see Attaching an L-Shaped Label.
----End
Installing an RRU Power Cable
An RRU power cable feeds power to an RRU from a DCDU-03B when the DCDU-03B is
configured.
Context
Table 11-5 lists the specifications of RRU power cables when a DCDU-03B supplies power.
Table 11-5 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
)
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.
386