Typical
Networking
Mode
Antenna Type and
Quantity of RRU3804s
Cable Connection
1 x 2 in no TX
diversity mode
RXA and ANT_RXB ports at the
bottom of the RRU3804.
2 x 1 in no TX
diversity mode
l
Two RRU3804s
l
Two dual polarization
antennas
l
Four antenna jumpers
l
The DIN connectors of the four
antenna jumpers are linked to the
ANT_TX/RXA ports and ANT_RXB
ports on RRU3804 0 and RRU3804 1.
2 x 2 in no TX
diversity mode
1 x 1 in TX diversity
mode
l
Two RRU3804s
l
One dual polarization
antenna
l
Two antenna jumpers and one
interconnect jumper
l
The DIN connectors of the two antenna
jumpers are linked to the ANT_TX/
RXA ports on RRU3804 0 and
RRU3804 1.
l
The interconnect jumper is connected
to the RX_IN/OUT ports on RRU3804
0 and RRU3804 1 that are combined.
1 x 2 in TX diversity
mode
3 x 1 in no TX
diversity mode
l
Three RRU3804s
l
Three dual polarization
antennas
l
Six antenna jumpers
l
The DIN connectors of the six antenna
jumpers are linked to the ANT_TX/
RXA ports and ANT_RXB ports on
RRU3804 0, RRU3804 1, and
RRU3804 2.
3 x 2 in no TX
diversity mode
4-way RX diversity
l
One RRU3804
l
One SRXU
l
Two antenna jumpers and one DC
power cable
l
The DIN connectors of the two antenna
jumpers are linked to the ANT_RXC
and ANT_RXD ports at the bottom of
the SRXU.
l
One end of the DC power cable is
connected to the RET/PWR_SRXU
port at the bottom of the RRU3804, and
the other end is connected to the
PWR_SRXU socket at the bottom of
the SRXU.
2.3.8 Boolean/RS485 Input Cable of the RRU3804
The cable transmits the 2-channel Boolean alarm signals and 1-channel RS485 signals from
external devices to the RRU3804. Thus, the external signals are monitored.
RRU3804
User Guide
2 RRU3804 and SRXU Hardware
Issue 01 (2007-11-29)
Huawei Technologies Proprietary
2-25