Huawei Technologies Co. Ltd RRU32612G3 Benutzerhandbuch

l

A connector or OT terminals are added to the RRU power cable on the power device side.
For details, see DBS3900 Installation Guide.

If a power device provided by the customer is used, the recommended specification of the circuit
breaker on this power device is 20 A to 30 A.

Table 7-2 RRU power cable

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

 

l

Before installing the RRU power cable, ensure that the upper-level circuit breaker is
switched off and the power cable has no voltage.

l

A drip loop is required for the position between the RRU port and the cable, preventing
rain from damaging the RRU.

l

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.

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 

.

RRU3261
Installation Guide

7 Installing RRU Cables

Issue Draft A (2015-07-24)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

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