H3C S7500X Series, Installation Manual

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2. Wear an ESD wrist strap and make sure it has a good skin contact and is reliably grounded. For
more information, see "Installing FRUs."
3. Turn off the switch on the power module.
4. Remove the cable from the power module.
5. Use a Phillips screwdriver to loosen the captive screw on the power module, as shown by
callout 1 in
Figure 5 .
6. Holding the power module handle with one hand and supporting the bottom of the power
module with the other, gently pull the power module out, as shown by callout 2 in
Figure 5 .
7. Put the removed power module on the antistatic mat.
8. Install a new power module. For the installation procedures, see "Installing FRUs."
After removing the power module, if you do not install a new power module, install a filler panel.
As shown by callout 3 in
Figure 5 , align the screws on the filler panel with the screw holes on the
switch, and then use a screwdriver to fasten the screws on the filler panel.
Figure 5 Removing the power module
Replacing a card
IMPORTANT:
Before removing a card, remove the cables from it.
The replacement procedure is similar for the cards.
To replace a card:
1. Prepare an antistatic mat to place the removed card.