H3C Technologies H3C S12500 Series Switches - Manual (Page 10)

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Figure 9 Installing a power module
Installing an AC power module
To install an AC power module, install a PEM first, and then install the AC power module.
To install a PEM:
1. Loosen the screws on the filler panel of the PEM slot with a Phillips screwdriver to remove the filler
panel.
2. Insert a PEM slowly along the slide rails until it touches the backplane connector.
3. Use the M3 screws supplied with the PEM to fix the PEM to the switch chassis, and fasten the
screws with a Phillips screwdriver.