Huawei BTS3900A Installation Manual page 17

BTS3900A(Ver.B)
Installation Guide
No.
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Configurations of the RFC
Figure 3-2
Issue 01 (2011-10-25)
Module/ Optional/
Board Mandatory
EMUA Optional
PMU Mandatory
Heater Optional
SOU Optional
shows the exterior and configurations of the RFC.
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Copyright © Huawei Technologies Co., Ltd.
3 Information About the Installation
Maximum Description
Number of
Boards or
Modules
Configured
in a Single
Cabinet
1 The Environment Monitoring
Unit (EMUA) monitors the
internal environment of the
cabinet and reports related alarms.
The EMUA must be configured
when 16 Boolean alarm inputs are
required. It is installed in the 1 U
space below the BBU.
1 The Power Monitoring Unit
(PMU) provides the functions of
power system and storage battery
management, power monitoring,
and alarm reporting.
1 A heater is an optional
component. It ensures that the
customer equipment in the cabinet
works in a proper temperature
scope when the surrounding
temperature is low. It is installed
in the 1 U space at the bottom of
the cabinet. If both the heater and
SOU are configured, the heater is
installed in the 1 U space above
the SOU.
1 The SOU is an optional
component. It transfers AC power
supply to the customer equipment
and is installed in the 1 U space at
the bottom of the cabinet.
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