Huawei DBS3900 Installation Manual page 143

DBS3900 (Ver.B)
Installation Guide
Step 5 If the configuration is expanded from one APM30H+two IBBS200Ds/IBBS200Ts+one TMC
to two APM30Hs+four IBBS200Ds/IBBS200Ts+one TMC, install three more monitoring signal
cables, as shown in
1.
2.
3.
Issue 06 (2011-09-15)
Figure 6-127 Installing a monitoring signal cable between the BBU in the APM30H and
the CMUA in the TMC11H
Figure 6-128.
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 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.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
130