Cable Connections Of A Single Rru; Cable Connections Of Multiple Rrus - Huawei RRU3908 V1 Installation Manual

Installing the AC RRU
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Cable Connections of a Single RRU

AC RRU monitoring signal cable
CPRI optical cable
DC RRU power cable
RF cable between RRUs
AISG multi-wire cable between
the RRU and the RCU
RRU RF jumper
Feeder
AISG extended cable between
the RRU and the RCU
PGND cable
AC RRU power cable
Equipotential cable
External power
supply
The AC RRU monitoring signal cable, DC RRU power cable, equipotential cable between the power module
and the RRU are installed before delivery.
Sequence of Installing the Cables： PGND cable → RRU RF jumper → AC RRU power cable→ CPRI optical
cable → AISG multi-wire cable between the RRU and the RCU ( optional ) →AISG extended cable between
the RRU and the RCU ( optional )
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Cable Connections of Multiple RRUs

The cable connections for multiple AC-powered RRUs and multiple DC-powered RRUs are the same. For
details, see page13.
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