Huawei DBS3900 Installation Manual page 34

DBS3900 (Ver.B)
Installation Guide
Indoor Scenario (BBU Installed in an IMB03)
In the -48 V DC power supply scenario, the BBU can be installed in an IMB03 if the transmission
space of customers is not more than 3 U and the number of RRUs is not more than six, as shown
in Figure
Figure 3-14 DC scenario (BBU installed in an IMB03)
In the 110 V or 220 V AC power supply scenario, the BBU can be installed in an IMB03 if the
transmission space of customers is not more than 3 U and only one RRU is installed, as shown
in Figure
Figure 3-15 AC scenario (BBU installed in an IMB03)
Issue 06 (2011-09-15)
3-14.
3-15.
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