Huawei DBS3900 Installation Manual page 135

DBS3900 (Ver.B)
Installation Guide
Step 4 If the configuration is expanded from one APM30H+one IBBS200D/IBBS200T+one TMC11H
to two APM30Hs+two IBBS200Ds/IBBS200Ts+one TMC11H, install two more monitoring
signal cables, as shown in
1.
2.
Issue 06 (2011-09-15)
Figure 6-119 Installing a monitoring signal cable between the BBU in the APM30H and
the CMUA in the TMC11H
Figure
Connect one end of a monitoring signal cable between the extended APM30H and the
IBBS200D or IBBS200T under the APM30H to the COM_IN port on the CMUA on the
cabinet door of the IBBS200D or IBBS200T, and then connect the other end to the
COM_485 port on the PMU in the APM30H.
Connect one end of a monitoring signal cable between the APM30H and the extended
APM30H to the COM_OUT port on the CMUA in the TMC11H, and then connect the
other end to the COM_IN port on the CMUA in the extended APM30H.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
6-120.
in an APM30H)
122