Huawei DBS3900 Installation Manual page 126

DBS3900 (Ver.B)
Installation Guide
Step 4 If the configuration is expanded from one APM30H+two IBBS200Ds/IBBS200Ts to two
APM30Hs+four IBBS200Ds/IBBS200Ts, install three more monitoring signal cables, as shown
in Figure
1.
2.
3.
Issue 06 (2011-09-15)
Figure 6-107 Installing a monitoring signal cable between the APM30H and the IBBS200T
6-108.
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 cascaded CMUAs in the two
IBBS200Ds or IBBS200Ts to the COM_OUT port on the CMUA on the cabinet door of
the IBBS200D or IBBS200T under the extended APM30H, and then connect the other end
to the COM_IN port on the CMUA on the cabinet door of the second extended IBBS200D
or IBBS200T.
Connect one end of a monitoring signal cable between the BBU in the APM30H and the
CMUA in the extended APM30H to the MON0 port on the UPEU in the BBU, and then
connect the other end to the COM_IN port on the CMUA.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
113