Huawei DBS3900 Installation Manual page 113

DBS3900 (Ver.B)
Installation Guide
monitoring signal cable is required between the BBU in the APM30H and the CMUA in the
extended APM30H.
Prerequisite
l
l
Context
Based on the power supply requirements of RRUs, the cabinet configuration can be expanded
from one APM30H to two APM30Hs, as shown in
Figure 6-92 Expanding the configuration from one APM30H to two APM30Hs
In the triple mode scenario, the configuration is expanded from one APM30H to two AMP30Hs
based on the power supply requirements of the BBUs and RRUs. The BBU1 is installed in the
APM30H, and the BBU2 is installed in the extended APM30H, and all the monitoring devices
are connected to the BBU1, not BBU2, as shown in
Figure 6-93 Expanding the configuration from one APM30H to two APM30Hs
Issue 06 (2011-09-15)
The tools, such as a Phillips screwdriver, cable cutter, and multi-purpose crimping tool, are
ready.
The PGND cable is installed.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
Figure 6-92.
Figure 6-93.
in an APM30H)
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