Table 2-2
Ports
Item
Silkscreen
Description
AU ports
790-960(+)
RF ports connected to the ANT ports on the
external low-frequency RF module
790-960(-)
1710-2690(+)
RF ports connected to the ANT ports on the
external high-frequency RF module
1710-2690(-)
AISG IN
RET antenna port connected to the RET port
on the external RF module
AISG OUT
RET antenna cascading port connected to the
RET antenna port on an external RET antenna
so that the external RF module can adjust
downtilts of cascaded antennas
MU ports
RX TX CPRI0
Optical/electrical port 0
RX TX CPRI1
Optical/electrical port 1
PWR
-48 V DC power supply port
The following table describes indicators on an AAU.
Table 2-3
Indicators
Item
Silkscre
en
Color
Status
Description
RU
indicator
s
RUN
Green
Steady on
There is power supply, but the module
is faulty.
Steady off
There is no power supply, or the
module is faulty.
Blinking (on
for 1s and off
for 1s)
The module is functioning properly.
Blinking (on
for 0.125s and
off for 0.125s)
The module is being loaded or is not
started.
ALM
Red
Steady on
Alarms are generated, and the module
must be replaced.
AAU3902
Hardware Description
2 AAU Introduction
Issue 06 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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