Huawei BTS3900C Hardware Description page 18

BTS3900C (Ver.C)
Hardware Description
No.
2
3
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Issue 03 (2013-05-27)
Component
HEUB
BBU3900
Fan assembly
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Optional/ Maximum
Mandatory Quantity in a
Single
Cabinet
Mandatory 1
Mandatory 1
Mandatory 2
2 BTS3900C Cabinet
Description
The HEUB
provides power
for the fan
assembly,
monitors the
status of the fan
assembly,
collects the
cabinet
environment
monitoring
information and
power surge
protection alarm
information,
and reports the
collected
information to
the BBU.
The BBU3900
is a baseband
processing unit.
It processes the
baseband
signals of the
base station.
The fan
assembly
dissipates heat
from the
cabinet,
including outer
air circulation
fan assembly
and inner air
circulation fan
assembly. Two
fan assemblies
are separately
installed at the
left bottom and
the left top in the
OMB.
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