Figure 2-12 Interconnect Jumper; Table 2-11 Rf Jumper Connections Of The Rru - Huawei RRU User Manual

RRU
User Guide
Installation Position
The 2W2 connectors at the two ends of the interconnect jumper are linked to the ports labeled
RX_IN/OUT on two RRUs or two SRXUs respectively.
RF Jumper Connections of the RRU
One end of the RF jumper is connected to the RF ports on the RRU and the other end to the
feeder. Which RF port to use depends on the networking modes.
Table 2-11

Table 2-11 RF jumper connections of the RRU

Typical
Networking
Mode
1 x 1 in no TX
diversity mode
1 x 2 in no TX
diversity mode
2 x 1 in no TX
diversity mode
2 x 2 in no TX
diversity mode
1 x 1 in TX diversity
mode
1 x 2 in TX diversity
mode
3 x 1 in no TX
diversity mode
3 x 2 in no TX
diversity mode
Issue 01 (2008-04-18)
describes the connections of the RF jumpers in different RRU networking modes.
Antenna Type and
Quantity of RRUs
One RRU
l
One dual polarization
l
antenna
Two RRUs
l
Two dual polarization
l
antennas
Two RRUs
l
One dual polarization
l
antenna
Three RRUs
l
Three dual polarization
l
antennas
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2 RRU and SRXU Hardware
Cable Connection
Two antenna jumpers
l
The DIN connectors of the two feeder
l
jumpers link to the ANT_TX/RXA and
ANT_RXB ports at the bottom of the
RRU.
Four antenna jumpers
l
The DIN connectors of the four
l
antenna jumpers are linked to the
ANT_TX/RXA ports and ANT_RXB
ports on RRU 0 and RRU 1.
Two feeder jumpers and one
l
interconnect jumper
The DIN connectors of the two feeder
l
jumpers are linked to the ANT_TX/
RXA ports on RRU 0 and RRU 1.
The interconnect jumper is connected
l
to the RX_IN/OUT ports on RRU 0 and
RRU 1 that are combined.
Six antenna jumpers
l
The DIN connectors of the six antenna
l
jumpers are linked to the ANT_TX/
RXA ports and ANT_RXB ports on
RRU 0, RRU 1, and RRU 2.
2-17