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