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RRU3942&RRU3642
Installation Guide
Step 4 Remove the waterproof block.
----End
8.10 Installing an RRU Power Cable
This section describes the procedure for installing an RRU power cable.
Prerequisites
l
l
Context
If a power device provided by the customer is used, the recommended specification of the circuit
breaker on this power device is 15 A to 30 A.
There are three types of RRU power cables in terms of cross-sectional areas: 5.3 mm
2
in.
and 6 mm
Table 8-2
Table 8-2 RRU power cable
Cable
RRU
power
cable
Issue 07 (2013-12-30)
NOTE
Remove only the waterproof blocks for the cables to be installed.
A tool-less female connector (pressfit type) is added to the RRU power cable on the RRU
side. For details, see
11.1 Adding a Tool-Less Female Connector (Pressfit Type) to the
RRU Power Cable on the RRU
A connector or OT terminals are added to the RRU power cable on the power device side.
For details, see the DBS3900 Installation Guide.
) (10 AWG) and 8.2 mm
2
2
(0.009 in.
) complying with European standards.
describes the RRU power cable.
On the RRU
Side
Tool-less female
connector
(pressfit type)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Side.
2
2
(0.013 in.
) (8 AWG) complying with North American standards
On the
Pow
Power
er
Device Side
Devi
ce
Tool-less
EPU
female
DCD
connector
U-11
(pressfit type)
B
EPC5
DCD
connector
U-12
B
8 Installing RRU Cables
Color
A cable with a black jacket and two
wires inside
l North American standards: The
RTN(+) wire is black and the
RNEG(-) wire is blue.
l European standards: The RTN
(+) wire is brown and the RNEG
(-) wire is blue.
2
(0.008
107
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