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Figure 3-14 Install other power module models to the switch
To prevent damage to the power module or the connector on the backplane of the powered device,
insert the power module gently. If you encounter a hard resistance while inserting the power
module, pull out the power module and then insert it again.
If the captive screw cannot be tightly fixed, check the installation of the power module.
Removing the Power Module
To remove the power module, follow these steps:
Step1 Wear an ESD-preventive wrist strap, ensure a good skin contact and make sure that the
ESD-preventive wrist strap is properly grounded.
Step2 Switch off the power module and disconnect the power cord.
Step3 Face the power module to be removed from the powered device.
Step4 Loosen the captive screw of the power module anti-clockwise with a Philips screwdriver until the captive
screw falls off the powered device.
Step5 Grasp the handle of the module with one hand and pull it out a little, hold the module bottom with the
other hand, and then pull the module slowly along the guide rails out of the slot.
Put the power module into an antistatic bag after removal.
3-9
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