8.1 Installation Process
When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in a
+24 V DC APM30H, you must install the APM30H, components in it, and related cables on
site. In addition, some optional components may be required based on actual requirements.
Figure 8-1 shows the installation process.
DBS3900 (Ver.B)
Installation Guide
8 Outdoor Scenario with DC Power Supply (BBU Installed
in a +24 V DC APM30H)
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