NOTE: If only one power supply is installed in your QFX5200, you need to power o the
switch before removing the power supply. See "Powering O a QFX5200" on page 144.
3. Disconnect power to the switch:
• AC power supply—If the AC power source outlet has a power switch, set it to the OFF (O)
posion. If the AC power source outlet does not have a power switch, gently pull out the plug end
of the power cord connected to the power source outlet.
• DC power supply—Switch the circuit breaker on the panel board that services the DC circuit to
the OFF posion.
4. Remove the power source cable from the power supply faceplate:
• AC power supply—Remove the power cord from the power supply faceplate by detaching the
power cord retainer and gently pulling out the socket end of the power cord connected to the
power supply faceplate.
• DC power supply—On QFX5200-32C,, remove the screws securing the ring lugs aached to the
power source cables to the power supply using the screwdriver, and remove the power source
cables from the power supply. Replace the screws on the terminals and ghten them.
On QFX5200-48Y, remove the power source cables from the power supply
5. Slide the locking lever toward the handle unl it stops.
6. Grasp the power supply handle and pull rmly to slide the power supply halfway out of the chassis.
7. Place one hand under the power supply to support it and slide it completely out of the chassis. Take
care not to touch power supply components, pins, leads, or solder connecons.
132
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