Step 5 Run each cable that leaves the cabinet in the PVC corrugated pipe, and then tie the pipe to the
cable hole in the cabinet.
Step 6 Waterproof the connector.
----End
14.5.3 Installing an RRU Power Cable
An RRU power cable feeds power into an RRU from the EPS subrack if an APM30H supplies
power to the RRU.
Prerequisite
l The tools, such as a Phillips screwdriver, cable cutter, and multi-purpose crimping tool, are
ready.
l The PGND cable is installed.
Context
Table 14-5 lists the specifications of an RRU power cable when an EPS subrack supplies power.
Table 14-5 Specifications of RRU power cables
Cable
One End The Other End Remarks
RRU
power
cable
RTN(+)
wire
Easy power receptacle
(pressfit type) connector
OT terminal [M4, 3.3
mm
2
(12 AWG)]
North
American
standard
Black
NEG(-)
wire
OT terminal [M4, 3.3
mm
2
(12 AWG)]
North
American
standard
Blue
RRU
power
cable
RTN(+)
wire
Easy power receptacle
(pressfit type) connector
OT terminal (M4, 4 mm
2
)
European
standard
Brown
NEG(-)
wire
OT terminal (M4, 4 mm
2
)
European
standard
Blue
RRU power cable Easy power receptacle
(pressfit type) connector
Easy power receptacle
(pressfit type) connector
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.
DBS3900 (Ver.B)
Installation Guide
14 Indoor Scenario with DC Power Supply (BBU Installed
Indoors and RRU Powered Outdoors)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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