RRU3832&RRU3632
Installation Guide
9 Installing RU Cables
Issue 05 (2014-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
105
Step 4
Remove the waterproof block.
Remove only the waterproof blocks for the cables to be installed.
----End
9.10 Installing an RU Power Cable
This section describes the procedure for installing an RU power cable.
Prerequisites
A tool-less female connector (pressfit type) is added to the RU power cable on the RU
side. For details, see
12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the
A connector or OT terminals are added to the RU power cable on the power device side.
For details, see the
DBS3900 Installation Guide
.
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 four types of RU power cables in terms of cross-sectional areas: 3.3 mm
2
(0.005 in.
2
)
(12 AWG) and 5.3 mm
2
(0.008 in.
2
) (10 AWG) complying with North American standards,
and 4 mm
2
(0.006 in.
2
) and 6 mm
2
(0.009 in.
2
) complying with European standards.
Table 9-2
RU power cable
Cable
On the RU
Side
On the
Power
Device Side
Pow
er
Devi
ce
Color
RU
power
cable
Tool-less female
connector
(pressfit type)
Tool-less
female
connector
(pressfit type)
EPU
A cable with a black jacket and
two wires inside
North American standards:
The RTN(+) wire is black and
the RNEG(-) wire is blue.
European standards: The
RTN(+) wire is brown and the
RNEG(-) wire is blue.
DCD
U-11
B
EPC5
connector
DCD
U-12
B
