Emua; Indoor Centralized Rack; Figure 5-1 10 U Indoor Centralized Rack - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description

5.1 EMUA

The Environment Monitoring Unit (EMUA) monitors the internal environment of the cabinet
and reports related alarms.
The EMUA is connected to the main equipment through alarm cables, monitoring the
environment information of the equipment room and cabinet. The EMUA monitors the following
items:
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l
l
For details about the structure and functions of the EMUA, see the EMUA User Guide.
5.2 10 U Indoor Centralized Rack
A 10 U indoor centralized rack is installed indoors to provide a 19-inch wide space for equipment.
Exterior
A 10 U indoor centralized rack is 19-inch wide and 10 U high, as shown in

Figure 5-1 10 U indoor centralized rack

(1) Left frame
Functions
A 10 U indoor centralized rack provides the following functions:
Issue 11 (2010-11-10)
Environment such as the temperature and humidity, water damage, and smoke
Intrusion status through the infrared equipment and door status sensor
Power distribution
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5 Auxiliary Devices of the BBU3900
(2) Right frame
Figure 5-1.
5-3