4-2
1.
Turn off the power source and then remove the power cord from the power supply.
To remove a DC power cord, squeeze the upper and lower sides of the plug and then pull the
plug out.
Figure4-2 Removing a power cord
2.
Holding the handle on the power supply with one hand, press the retaining latch on the power
supply to the right with your thumb, and pull the power supply part way out of the slot.
3.
Supporting the power supply bottom with the other hand, slowly pull the power supply out of the
slot. Then put the removed power supply into an antistatic bag.
Figure4-3 Removing a power supply
4.
Install a new power supply. For the installation procedure, see "Installing a power supply." If you
are not to install a new power supply, install a filler panel in the power supply slot.
Replacing an interface module
CAUTION:
The firewall does not support hot swapping of interface modules. Before replacing an interface
module, first power off the firewall.
To replace an interface module:
1.
Power off the firewall.
2.
Use a Phillips screwdriver to loosen the captive screws on the module.
3.
Holding the ejector levers of the module with both hands, pull the ejector levers outward, and
pull the module part way out of the slot along the guide rails.
4.
Supporting the bottom of the module with one hand, use the other hand to gently pull the
module out of the slot.
5.
Put the removed module on an antistatic workbench or into an antistatic bag with the circuit
board facing upward.
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