Huawei DBS3900 Installation Manual page 128

DBS3900 (Ver.B)
Installation Guide
Prerequisite
l
l
Context
Based on the transmission space requirements of customers and power supply requirements of
RRUs, the configuration can be expanded from one APM30H+one IBBS200D/IBBS200T to
two APM30Hs+one TMC11H, as shown in
Figure 6-109 Expanding the configuration from one APM30H+one TMC11H to two APM30Hs
+one TMC11H
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+one TMC11H to two APM30Hs+one TMC11H.
Figure 6-110 Expanding the configuration from one APM30H+one TMC11H to two APM30Hs
+one TMC11H
Procedure
Step 1 Install a monitoring signal cable between the CMUA and the BBU in an APM30H, as shown in
Figure
1.
2.
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.
6-111.
Connect one end of the monitoring signal cable between the CMUA and the BBU to the
COM_IN port on the CMUA in the APM30H.
Connect the other end to the MON1 port on the UPEU in the BBU.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
Figure 6-109.
Figure 6-110 shows the configuration expansion from
in an APM30H)
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