Installation Scenarios - Huawei DBS3900 Installation Manual

DBS3900 (ICR)
Installation Guide
Figure 3-7 DC/DC power device

3.2 Installation Scenarios

This section describes ICR installation scenarios.
3.2.1 Installation Scenarios
The ICR installation options vary according to height-restricted and height-unrestricted
scenarios.
In the scenario where a cable tray is 1.8 m to 2 m (5.91 ft to 6.56 ft) above the floor (referred to
as the height-restricted scenario), RRUs are installed on beam 2 and beam 4, as shown in
3-8.
Issue 12 (2015-04-30)
NOTE
l In height-restricted scenarios, the adjustable beams need to be moved to the position marked 1.8 m
(5.91 ft).
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
Figure
13