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BTS3900L (Ver.C)
Installation Guide
Step 2 Connect the cable that supplies the power to BBU from DCDU in the lower shelf.
1.
2.
3.
Issue 07 (2013-11-08)
Figure 11-16
shows the installation process.
Figure 11-16 Installing two input power cables in the lower shelf
Choose a cable with length 1.3m and diameter 35mm
connector (pressfit type) and the other end is 3V3 power connector).
Check whether the circuit breakers labelled SW7 and SW8 on DCDU-11A are set to
OFF.
Connect one end to PWR port on UPEU in BBU in the upper shelf and connect the other
end to LOAD7 or LOAD8 port on DCDU-11A in the lower shelf, as shown in
11-17.
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Copyright © Huawei Technologies Co., Ltd.
11 Installing the Cables
2
(one end is tool-less female power
Figure
78
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