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Installing the RRU
6. Install multiple RRUs.
Recommended Clearance :
≥760 mm
Minimum Clearance:
560 mm
Installing the RRU Cables
a
RRU Cable Connections
Cable List
Cable
PGND cable
（16mm
2
)
RRU RF jumper
DC RRU power cable
(North American standard: 3.3 mm
European standard:
4 mm
2
)
CPRI optical cable
AISG multi-wire cable between
the RRU and the RCU
AISG extended cable between
the RRU and the RCU
on a Wall
≥760 mm
560 mm
Connector Type
OT terminal（M6)
OT terminal（M8)
DIN male connector
DIN male connector
Two OT terminals
2
(M4）
Bare wire
DLC connector
DLC connector
Waterproof DB9 connector
Standard AISG female
connector
Standard AISG male
connector
Standard AISG female
connector
≥70 mm
Connector to...
Grounding bolt on the RRU
Nearest grounding bar
Ports labeled ANT_TX/RXA and ANT_TX/RXB on the RRU
(Only the ANT_TX/RXA port supports the OOK signal).
Feeder or antenna
The blue OT terminal is connected to socket labeled NEG(-)0 in
the RRU cabling cavity. And the black OT terminal is connected
to socket labeled RTN(+)0.
External power supply
The connectors labeled 1A and 1B are connected to the optical
module on the port labeled CPRI_W on the RRU
The connectors labeled 2A and 2B are connected to port labeled
CPRI0, CPRI1 or CPRI2 on the LBBP board of the BBU.
Port labeled RET/MON on the RRU
Standard AISG male connector of the AISG extension cable or
RCU
Standard AISG female connector of the AISG multi-wire cable
Standard AISG male connector of the RCU
15
≥70 mm
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