H3C Technologies H3C S12500 Series Switches - Manual (Page 9)

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Figure 8 Connecting the grounding cable
Installing the power modules
NOTE:
H3C recommends that you install at least three power modules to one power frame.
Installing a DC power module
1. Rotate the power frame cover up with both hands.
2. Pull the clip at the bottom left corner of the power module to the left to open the power module
panel.
3. Insert the power module slowly into the slot until it is firmly seated in the slot.
4. Close the panel of the power module, press the clip to lock the power module in position, and
close the power frame cover.