Installing The Dcdu-03B, Dcdu-11B Or Dcdu-12B - Huawei DBS3900 Installation Manual

DBS3900 (ICR)
Installation Guide

13.3 Installing the DCDU-03B, DCDU-11B or DCDU-12B

This chapter describes the procedure for installing the DCDU-03B, DCDU-11B or DCDU-12B
in the IMB03.
Context
The method of installing the DCDU-11B and DCDU-12B is the same as the method of installing
the DCDU-03B. This section uses the DCDU-03B as an example.
Procedure
Step 1 Move the mounting ears on the DCDU-03B, as shown in
1.
2.
Figure 13-4 Installing the DCDU-03B
Step 2 Install the DCDU-03B into the corresponding slot in the IMB03. Then tighten the four M6x16
screws on the mounting ears to 3 N·m (26.55 lbf·in.), as shown in
Figure 13-5 Installing the DCDU-03B
Issue 12 (2015-04-30)
Remove the four M4 screws from the mounting ear on each side of the DCDU-03B.
Move each mounting ear backwards by one hole and tighten the four removed M4 screws
on the mounting ear to 1.2 N·m (10.62 lbf·in.).
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13 Installing Components in the IMB03
Figure 13-4.
Figure 13-5.
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