Silkscreen
Color
Status
Description
Steady off
l
The board does not serve as
an active board.
l
The board is not activated.
l
The board does not provide
any services.
On for 1s and off for 1s
The power supply for the board
is insufficient.
NOTE
Of all types of LBBP boards, only
the LBBPd has this status.
, the LBBP provides six indicators indicating the Small Form-factor
Pluggable (SFP) link status. The indicators are positioned above the SFP ports.
Table 3-51
SFP link status indicators
Silkscreen
Color
Status
Description
CPRIx
Red or green
Steady green
The CPRI link is
functioning properly.
Steady red
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.
Blinking red (on for
0.125s and off for
0.125s)
The RF module
connected to the CPRI
link has a hardware
fault.
Blinking red (on for
1s and off for 1s)
The CPRI link is out
of lock because of the
following reasons:
l
There is no mutual
lock between dual-
mode clock
sources.
l
The data rates of
the CPRI ports do
not match each
other.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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