4.11.1 Components of the Power Equipment (DC/DC)
The power equipment (DC/DC) consists of the PSUs (DC/DC) and power subrack (DC/DC).
shows the power equipment (DC/DC).
Figure 4-47
Power equipment (DC/DC)
(1) PSUs (DC/DC)
(2) Power subrack (DC/DC)
describes the components of the power equipment (DC/DC).
Table 4-61
Components of the power equipment (DC/DC)
Component
Description
PSU (DC/DC)
Power subrack (DC/DC)
.
4.11.2 PSU (DC/DC)
The PSU is the power supply unit. The PSU (DC/DC) co24 V DC power into -48 V DC
power.
Panel
shows the panel of the PSU (DC/DC).
4 BTS3900 Components
BTS3900
Hardware Description
4-66
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Issue 04 (2011-02-15)