
l
A connector or OT terminals are added to the RRU power cable on the power device side.
For details, see
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.
describes the RRU power cable.
Table 9-2
RRU power cable
Cable
On the RRU
Side
On the
Power
Device Side
Pow
er
Devi
ce
Color
RRU
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
l
North American standards: The
RTN(+) wire is black and the
NEG(-) wire is blue.
l
European standards: The RTN
(+) wire is brown and the NEG
(-) wire is blue.
DCD
U-11
B
EPC5
connector
DCD
U-12
B
CAUTION
When installing the RRU power cable, connect the power cable to the RRU connector first and
then to the power equipment connector. Incorrect connection sequence or reverse connection of
positive and negative poles may damage the RRU or cause personal injury.
Procedure
Step 1
Connect the tool-less female connector (pressfit type) at one end of the RRU power cable to the
power supply socket on the RRU, as shown in
RRU3262
Installation Guide
9 Installing RRU Cables
Issue 01 (2014-11-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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