Juniper QFX5220, Hardware Manual

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NOTE: If only one power supply is installed in your QFX5220, you need to power off the switch
before removing the power supply. See “Powering Off a QFX5220” on page 171 .
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 male 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 female end of the power cord connected to the power supply
faceplate.
•
DC power supply
•
QFX5220-128C
a. Use a Phillips screwdriver to detach the grounding cable.
b. Loosen the thumb screws for the power cord.
c. Gently pull out the female end of the power plug connected to the power supply faceplate.
•
QFX5220-32CD.
a. Remove the screws that secure the ring lugs to the terminals using the screwdriver.
b. Replace the screws to each terminal and tighten the screws using the screwdriver.
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.
See Figure 66 on page 160 and Figure 67 on page 160 .
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