Juniper QFX5200 Hardware Manual page 141

NOTE: If only one power supply is installed in your QFX5200, you need to power off the
switch before removing the power supply. See
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)
position. 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 position.
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 attached 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 tighten them.
On QFX5200-48Y, remove the power source cables from the power supply
5. Slide the locking lever toward the handle until it stops.
6. Grasp the power supply handle and pull firmly 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 connections.
"Powering Off a QFX5200" on page
132
144.