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2 Introduction to the RRU3908
Item
(2) Cabling cavity
panel
(3) Bottom panel of
the RRU
(4) Bottom panel of
AC conversion
module
2.3 LEDs on the RRU
The six LEDs on the RRU are used to display the running status of the RRU.
For details on the positions of the LEDs on the panel of the RRU, see
Table 2-2
Table 2-2 LEDs on the RRU
LED
RUN
2-6
Label
ACT
VSWR
CPRI0
CPRI1
RTN(+)0
NEG(-)0
RTN(+)1
NEG(-)1
RX TX CPRI0
TX RX CPRI1
EXT_ALM
RX_IN/OUT
RET
ANT_TX/RXA
ANT_TX/RXB
AC-in
DC-out
describes the LEDs on the RRU.
Color
Status
Green
On
Off
Blinking (on for
1s and off for 1s)
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Copyright © Huawei Technologies Co., Ltd.
Description
Power supply port
Cascaded power supply port
Optical/electrical port 0
Optical/electrical port 1
Alarm port
RF interconnection port
RET antenna port
RF TX/RX port A
RF TX/RX port B
AC power supply socket
DC power supply socket
2.2 Panels of the
Description
There is power supply, but the board is faulty.
There is no power supply, or the board is
faulty.
The board is running properly.
RRU3908 V2
Hardware Description
RRU.
Issue 02 (2010-10-25)
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