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BTS3900
Hardware Description
l
l
LEDs
Table 4-54
Table 4-54 LEDs on the LRFU
RUN
ALM
ACT
VSWR
CPRI0
Issue 04 (2011-02-15)
Supports the Tower Mounted Amplifier (TMA).
Provides the BBU-RFU port for signal transmission by using the CPRI electrical cable or
optical cable.
describes the LEDs on the panel of the LRFU.
Label
Color
Green
Red
Green
Red
Red/Green
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Status
On
Off
On for 1s and off for 1s The module runs properly.
On for 0.125s and off
for 0.125s
On
Blinking (on for 1s and
off for 1s)
Off
On
On for 1s and Off for 1s The module is running (TX channel
On (red)
Blinking (on for 1s and
off for 1s)
Blinking (on for 0.125s
and off for 0.125s)
Off (red)
On (green)
On (red)
4 BTS3900 Components
Description
The power input is normal, but the
module is faulty.
There is no power input, or the module
is faulty.
The module is loading software or is
not started.
An alarm is generated, and the module
needs to be replaced.
An alarm is generated. The alarm may
be caused by the fault of the related
module or port. Therefore, the
replacement of the module cannot be
determined.
No alarm is generated.
The module works properly (TX
channel enabled).
disabled).
A VSWR-related alarm is generated at
the ANT_TX/RXA port.
A VSWR-related alarm is generated at
the ANT_TX/RXB port.
A VSWR-related alarm is generated at
the ANT_TX/RXA and ANT_TX/
RXB ports.
No VSWR alarm is generated.
The CPRI links are normal.
The reception of the optical module (or
the SFP module) is abnormal, and an
alarm is generated.
4-59
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