Huawei DBS3900 Installation Manual page 219

DBS3900 (Ver.B)
Installation Guide
Figure 7-80 Expanding the configuration from one TMC11H to two TMC11Hs
In the triple mode scenario, a maximum of two -48 V DC cabinets can be configured. In this
case, BBU1 is installed in the TMC11H, BBU2 is installed in the extended TMC11H, and all
the monitoring devices are connected to the BBU1, not BBU2.
Procedure
Step 1 Install a monitoring signal cable between the CMUA and the BBU in a TMC11H, as shown in
Figure
1.
2.
Figure 7-81 Installing a monitoring signal cable between the CMUA and the BBU in a TMC11H
Step 2 Install another monitoring signal cable between the TMC11H and the extended TMC11H when
the configuration is expanded from one TMC11H to two TMC11Hs, as shown in
1.
2.
Issue 06 (2011-09-15)
7-81.
Connect one end of the monitoring signal cable between the CMUA and the BBU to the
COM_IN port on the CMUA in the TMC11H.
Connect the other end to the MON1 port on the UPEU in the BBU.
Connect one end of the monitoring signal cable between the TMC11H and the extended
TMC11H to the MON0 port on the UPEU in the BBU in the TMC11H.
Connect the other end to the COM_IN port on the CMUA in the extended TMC11H.
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7 Outdoor Scenario with DC Power Supply (BBU Installed
in a TMC11H)
Figure 7-82.
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