H3C Technologies H3C S5800 Series Switches - Manual (Page 13)

9
To prevent damage to the power module and the connector on the
backplane of the device, insert the power module gently. If you
encounter a hard resistance while inserting the power module,
pull out the power module, realign it with the slot, and then insert
it again.
5. Fasten the captive screw on the power module with a Philips
screwdriver to secure the power module in the device. See callout
2 in
Figure 5 .
If the captive screw cannot be tightened, verify the installation of
the power module.
Figure 5 Installing a power module
Removing a power module
1. Put on an ESD wrist strap, and make sure the wrist strap makes
good skin contact and is correctly grounded.