Table 4-17
LEDs on the WBBP and their status
Label
Color
Status
Description
RUN
Green
ON
The board has power input, yet
the board is faulty.
OFF
The power supply or the board
is faulty.
Blinking (on for one second
and off for one second)
The board is running properly.
Blinking (on for 0.125 second
and off for 0.125 second)
Software is being loaded to the
board.
ACT
Green
ON
The board is running properly.
OFF
The WBBP is not in use.
ALM
Red
OFF
The board is running properly.
ON
The board has hardware alarms.
The WBBPa or WBBPb provides three LEDs indicating the status of the SFP links. The LEDs
are positioned below the SFP ports. The WBBPd provides six LEDs indicating the status of the
SFP links. The LEDs are positioned above the SFP ports.
Table 4-18
LEDs indicating the status of the SFP links
Label
Color
Status
Description
TX RX
Red/Green
Steady green
The CPRI link is
available.
Steady red
The optical module
fails to receive
signals.
Blinking red (ON for
0.125 second and
OFF for 0.125
second)
The RRU on the
CPRI link is faulty.
Blinking red (ON for
one second and OFF
for one second)
The CPRI link is out
of lock.
OFF
The SFP module is
not in position or the
optical module is
powered off.
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-19