Huawei DBS3900 Installation Manual page 19

DBS3900 (ICR)
Installation Guide
Figure 3-8 Height-restricted scenarios
(1) Cable tray
In the scenario where a cable tray is higher than 2 m (6.56 ft) above the floor (referred to as the
height-unrestricted scenario), RRUs are installed on beam 1 and beam 3, as shown in
3-9.
Issue 12 (2015-04-30)
(2) Beam 1
NOTE
l When RRUs are installed on beam 1 or 2, they are installed at the upper layer.
l When RRUs are installed on beam 3 or 4, they are installed at the lower layer.
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3 Information to Be Known Before the Installation
(3) Beam 2 (4) Beam 3 (5) Beam 4
Figure
14