Figure 4-50
Power equipment (AC/DC)
(1) PMU
(2) PSUs (AC/DC)
(3) Power subrack (AC/DC)
describes the components of the power equipment (AC/DC).
Table 4-64
Components of the power equipment (AC/DC)
Component
Description
PMU
.
PSU (AC/DC)
Power subrack (AC/DC)
.
4.12.2 PMU
The Power and Environment Monitoring Unit (PMU) performs the power system management,
power distribution detection, and alarm reporting functions.
Exterior
shows the PMU.
Figure 4-51
PMU
4 BTS3900 Components
BTS3900
Hardware Description
4-70
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Issue 04 (2011-02-15)