H3C Technologies H3C S12500 Series Switches - Manual (Page 87)

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Figure 58 Removing the power supply air filter
(1) Power frame air filter (2) Screws
2. Wash the air filter by using clean water, and then air-dry the air filter.
3. Position the air filter to the right place, and fasten the fastening screws on the air filter.
Replacing a power component
WARNING!
Power modules for the S12500 are hot-swappable. When installing and replacing a power module with
the switch powered on, pay attention to the operation procedures and electricity safety issues. To avoid
injury, do not touch any wires, terminals, or parts with a high-voltage hazard sign.
Preparing for the replacement
1. Put on an ESD wrist strap, and make sure the wrist strap makes good skin contact and is correctly
grounded.
2. Unpack the power component to be installed.
3. Remove the cables connected to the switch and turn off the power switch on the power frame
before replacing the power components.
Replacing a power module
CAUTION:
•
When hot-plugging power modules, make sure the insertion interval is no less than 30 seconds.
• When installing or removing a power module, check that the switch is sturdy. To prevent bodily injury,
avoid tipping the switch chassis.
• Do not touch the rotating fans on a removed power module.
To replace a power module: