Indoor Scenario With Dc Power Supply (Bbu Installed In A 19-Inch Rack) - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
12
Indoor Scenario with DC Power Supply
About This Chapter
This chapter describes the procedures for installing all the components and related cables in a
19-inch rack indoors.
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.
12.2 Installation Process
In an indoor 19-inch-rack-mounted scenario, you must install components and related cables in
a 19-inch rack.
12.3 Installing Components in a 19-Inch Rack
A BBU and DCDU-03B can be installed in a 19-inch rack. In addition, a WCDMA GPS
Receiving Unit (WGRU) can also be installed in the rack based on actual requirements.
12.4 Installing Cables
This section describes the procedures and precautions to be taken for installing PGND cables,
power cables, transmission cables, monitoring signal cables or alarm cables, and CPRI cables
when a DBS3900 is deployed in a 19-inch rack.
12.5 Installation Checklist
Check the installation items, installation environment, and cable-related items after the cabinets
and devices are all installed.
12.6 Power-On Check
Before a DBS3900 starts operating, you must check the power-on status of the cabinet and
components in it.
Issue 06 (2011-09-15)
12 Indoor Scenario with DC Power Supply (BBU Installed in
(BBU Installed in a 19-Inch Rack)
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