Huawei DBS3900 Installation Manual page 31

DBS3900 (Ver.B)
Installation Guide
Outdoor Scenario with DC Power Supply (BBU Installed in an OMB)
In the -48 V DC power supply scenario, the BBU can be installed in an OMB if the transmission
space of customers is not more than 3 U and the number of RRUs is not more than three, as
shown in
Figure 3-9 DC scenario (BBU installed in an OMB)
Outdoor Scenario with AC Power Supply (BBU Installed in an OMB)
In the 110 V or 220 V AC power supply scenario, the BBU can be installed in an OMB if the
transmission space of customers is not more than 3 U and only one RRU is installed, as shown
in Figure
Figure 3-10 AC scenario (BBU installed in an OMB)
Issue 06 (2011-09-15)
Figure 3-9.
3-10.
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3 Installation Scenarios
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