Optional) Installing The Dc/Dc Power System - Huawei DBS3900 Installation Manual

DBS3900 (ICR)
Installation Guide
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13.4 (Optional) Installing the DC/DC Power System

This section describes the procedure for installing the DC/DC power system in the IMB03.
Context
The DC/DC power system needs to be installed in the scenarios with +24 V DC power supply.
Procedure
Step 1 Move the mounting ears on the DC/DC power system to the middle holes, as shown in
13-6.
1.
2.
3.
Figure 13-6 Moving the mounting ears to the middle holes
Step 2 Install the DC/DC power system into the corresponding slot in the lower IMB03. Then tighten
the four M6x16 panel screws to 3 N·m (26.55 lbf·in.), as shown in
Issue 12 (2015-04-30)
Remove the screws on the mounting ears on both sides of the DC/DC power system.
Move the mounting ears backwards to the middle holes.
Tighten the mounting ear on each side of the DC/DC power system to 1.2 N·m (10.62
lbf·in.).
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13 Installing Components in the IMB03
Figure 13-7.
Figure
94