Huawei BTS3900C Hardware Description page 74

BTS3900C (Ver.C)
Hardware Description
Figure 3-28 LBBPd panel
Functions
The LBBP performs the following functions:
l
l
Indicators
On the LBBP panel, there are three indicators, as described in
Table 3-50 Indicators on the LBBP panel
Silkscreen
RUN
ALM
ACT
Issue 03 (2013-05-27)
NOTE
The LBBPd1, LBBPd2, and LBBPd3 have silkscreens LBBPd1, LBBPd2, and LBBPd3 indicating their
board types on the lower left corner of the board panel, respectively.
Processes uplink and downlink baseband signals.
Provides CPRI ports for communication with RF modules.
Color
Green
Red
Green
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Status
Steady on
Steady off
On for 1s and off for 1s
On for 0.125s and off for
0.125s
Steady on
Steady off
On for 1s and off for 1s
Steady on
3 BTS3900C Modules
Table 3-50.
Description
There is power supply, but the
board is faulty.
There is no power supply, or the
board is faulty.
The board is functioning
properly.
l The board is being loaded or
configured.
l The board is not started.
An alarm is generated, and the
board must be replaced.
The board is running properly.
An alarm is generated, and you
need to locate the fault before
deciding whether to replace the
board.
The board serves as an active
board.
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