14
Installing the RRU
on a Wall
6. Install multiple RRUs.
≥
70 mm
[2.8 in.]
≥
855 mm
[33.7 in.]
Minimum Clearance:
Recommended Clearance :
Installing the RRU Cables
RRU Cable Connections
a
Standard AISG female connector of the AISG multi-wire cable
Standard AISG male connector
Standard AISG male connector of the AISG extension cable or
RCU
Standard AISG female connector
Port labeled RET/MON on the RRU
Waterproof DB9 connector
AISG multi-wire cable
between the RRU and the
RCU
The connectors labeled 2A and 2B are connected to port labeled
CPRI0 to CPRI5 on the LBBP board of the BBU.
DLC connector
CPRI optical cable
The connectors labeled 1A and 1B are connected to the optical
module on the port labeled CPRI_W on the RRU
DLC connector
AISG extended cable
between the RRU and the
RCU
Standard AISG male connector of the RCU
Standard AISG female connector
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.
Two OT terminals
(M4
）
DC RRU power cable
(North American standard:
3.3 mm
2
European standard:
4 mm
2
)
External power supply
Bare wire
Feeder or antenna
DIN male connector
Ports labeled ANT_TX/RXA and ANT_TX/RXB on the RRU
(Only the ANT_TX/RXA port supports the OOK signal).
DIN male connector
RRU RF jumper
Nearest grounding bar
OT terminal
Grounding bolt on the RRU
OT terminal (M6)
PGND cable
(16 mm
2
)
Connector to
…
Connector Type
Cable
Cable List
≥
855 mm
[33.7 in.]
≥
655 mm
[25.8 in.]
≥
655 mm
[25.8 in.]
≥
70 mm
[2.8 in.]
