Installation Clearance Requirements For A Bbu; Installation Process - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide

12.1 Installation Clearance Requirements for a BBU

This section describes the installation clearance requirements for a BBU when it is installed in
a 19-inch rack in an indoor scenario with DC power supply.
Figure 12-1
Figure 12-1 Installation clearance requirements for a BBU installed in a 19-inch rack

12.2 Installation Process

In an indoor 19-inch-rack-mounted scenario, you must install components and related cables in
a 19-inch rack.
Figure 12-2
Issue 06 (2011-09-15)
shows the installation clearance requirements for a BBU installed in a 19-inch rack.
NOTE
l 25 mm on the left of the BBU is reserved for ventilation.
l 25 mm on the right of the BBU is reserved for ventilation.
l 70 mm in front of the BBU is reserved for cabling, and 800 mm in front of the BBU is reserved for
maintenance.
shows the installation process.
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12 Indoor Scenario with DC Power Supply (BBU Installed in
a 19-Inch Rack)
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