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RRU3942&RRU3642
Installation Guide
Table 8-1 RRU cables
Cable
RRU PGND
Cable
RRU Power
Cable
RRU Alarm
Cable
CPRI Fiber
Optic Cable
(RRU3942
working in
multimode
scenarios)
CPRI Fiber
Optic Cable
(RRU3942,
RRU3642
working in
single-mode
scenarios)
RRU RF
Jumper
Inter-RRU
RF Cable
(RRU3942)
RRU AISG
Multi-Wire
Cable
Issue 07 (2013-12-30)
One End
Connector
Installation
Position
OT terminal (M6,
Ground
2
terminal on the
16 mm
or 0.025
RRU
2
in.
)
Tool-less female
NEG(-) and
connector
RTN(+) ports
(pressfit type)
on the RRU
DB15 male
EXT_ALM
connector
port on the
RRU
DLC connector
CPRI0 port on
the RRU
CPRI1 port on
the RRU
DLC connector
CPRI0 port on
the RRU
DIN male
ANT_TX/
connector
RXA,
ANT_TX/
RXB,
ANT_RXC, or
ANT_RXD
port on the
RRU
DB2W2
RX_IN/OUT
connector
port on the
RRU
DB9 waterproof
RET port on
male connector
the RRU
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
8 Installing RRU Cables
The Other End
Connector
Installation
Position
OT terminal
Ground terminal
2
on the ground bar
(M8, 16 mm
or
2
0.025 in.
)
Depending on the
External power
power supply
equipment
equipment
Cord end
External alarm
terminal
device
DLC connector
CPRI port on a
board in the BBU
DLC connector
CPRI port on a
board in the BBU
DIN male
Antenna system
connector
DB2W2
RX_IN/OUT port
connector
on the RRU
Standard AISG
Standard AISG
female connector
male connector
on the RCU or on
the AISG
extension cable
96
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