Huawei BTS3900C Hardware Description page 61

BTS3900C (Ver.C)
Hardware Description
Silkscreen
ACT
Besides the preceding three indicators, there are some other indicators on the board, indicating
the connection status of the FE optical port, FE electrical port, CPRI port, and commissioning
port. They are near the corresponding ports and have no silkscreen.
indicators.
Table 3-32 Indicators for ports
Indicator
LIU0 to LIU3
CPRI0 to CPRI5
Issue 03 (2013-05-27)
Color Status
On for 1s and off for
1s
Green Steady on
On for 0.125s and off
for 0.125s
Color
Green
Red or green
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Description
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.
The OML is disconnected.
Table 3-32
Status
Steady on
On for 1s and off for
1s
Steady off
Steady green
Steady red
3 BTS3900C Modules
describes the
Description
An E1/T1 local alarm
is generated.
An E1/T1 remote
alarm is generated.
The link is
functional.
The CPRI link is
functioning properly.
An optical module
fails to receive or
transmit signals
because of the
following reasons:
l The optical
module is faulty.
l The fiber optic
cable is broken.
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