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

Installing the DC RRU
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Cable Connections of a Single RRU

DC RRU alarm cable
CPRI optical cable
DC RRU power cable
RF cable between RFUs
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
When a dual-polarized antenna is shared by two RRUs in the same sector, the two RRUs are connected
through an RF cable between RFUs. The connections of three RRUs in the same sector are not supported.
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Cable Connections of Multiple RRUs

External power
supply
RCU
External alarm
device
This figure shows only the CPRI optical cable
connections. For details on the connections
of other cables, see the cable connections
for a single RRU.
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Install the PGND cable
Install the RF jumper
(RF cable between RFUs is
optional)
Install the DC RRU power cable
Install the CPRI optical cable
Install the DC RRU alarm
cable(optional)
Install the AISG multi-wire cable
between the RRU and the RCU
(optional)
Install the AISG multi-wire cable
between the RRU and the RCU
(optional)