Indicators
Table 3-74 and Table 3-75 describe the indicators on the USCU.
Table 3-74 Indicators on the USCU
Silkscreen Color Status Description
RUN Green Steady on There is power
supply, but the board
is faulty.
Steady off There is no power
supply, or the board
is faulty.
On for 1s and off for
1s
The board is
functioning properly.
On for 0.125s and off
for 0.125s
l The board is
being loaded or
configured.
l The board is not
started.
ALM Red Steady on An alarm is
generated, and the
board needs to be
replaced.
Steady off The board is running
properly.
On for 1s and off for
1s
An alarm is
generated and you
need to locate the
fault before deciding
whether to replace
the board.
ACT Green Steady on The board serves as
an active board.
Steady off
l The board does
not serve as an
active board.
l The board has not
been activated.
l The board is not
providing any
services.
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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