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—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.
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.
8. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat,
stable surface.
Figure 119: Removing a Power Supply from a QFX3500 Device
Related
Documentation
AC Power Supply for a QFX3500 Device on page 73•
• Connecting AC Power to a QFX3500 Device on page 265
• Installing a Power Supply in a QFX3500 Device on page 362
Installing a Fan Tray in a QFX3500 Device
The fantrays in a QFX3500 device are hot-removable and hot-insertable field-replaceable
units (FRUs): you can remove and replace them without powering off the device or
disrupting device functions.
CAUTION: Replace a failed fan tray with a new fan tray within 1 minute of
removal to prevent chassis overheating. Before removing the fan tray, ensure
you have a replacement fan tray.
365Copyright © 2012, Juniper Networks, Inc.
Chapter 27: Replacing QFX3500 Components
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