Huawei BTS3900C Hardware Description page 87

BTS3900C (Ver.C)
Hardware Description
Silkscreen
ALM
ACT
The ACT indicator on the UTRP board in GSM mode has different status from the ACT indicator
on other boards, as listed in
Table 3-62 Status of the ACT indicator on the UTRP board in GSM mode
Silkscreen
ACT
Issue 03 (2013-05-27)
Color
Red
Green
Table 3-62.
Color
Green
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Status
Steady on
Steady off
On for 1s and off for
1s
Steady on
Steady off
Status
Steady on
3 BTS3900C Modules
Description
An alarm is
generated, and the
board needs to 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.
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.
Description
l Before the
configuration
takes effect, none
or both of the two
E1 ports in GSM
mode are
functional.
l The
configuration has
taken effect.
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