Huawei DBS3900 Installation Manual page 122

DBS3900 (Ver.B)
Installation Guide
IBBS200D or IBBS200T under the APM30H, and between the cascaded CMUAs in the two
IBBS200Ds or IBBS200Ts must be installed. If one more APM30H and two more IBBS200Ds
or IBBS200Ts are configured, three more monitoring signal cables must be installed.
Prerequisite
l
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Context
Based on the power supply requirements of customers and RRUs, the configuration can be
expanded from one APM30H+two IBBS200Ds/IBBS200Ts to two APM30Hs+four
IBBS200Ds/IBBS200Ts, as shown in
Figure 6-102 Expanding the configuration from one APM30H+two IBBS200Ds/IBBS200Ts
to two APM30Hs+four IBBS200Ds/IBBS200Ts
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,
one APM30H+two IBBS200Ds/IBBS200Ts to two APM30Hs+four IBBS200Ds/IBBS200Ts.
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 6-102.
Figure 6-103 shows the configuration expansion from
in an APM30H)
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