To avoid electrical injury, carefully follow instructions in “Installing a Power Supply in a
QFX3500 Device” on page 362 and “Removing a Power Supply from a QFX3500 Device”
on page 364.
Related
Documentation
AC Power Cord Specifications for a QFX3500 Device on page 147•
• AC Power Supply LEDs on a QFX3500 Device on page 402
• Front Panel of a QFX3500 Device on page 65
• Field-Replaceable Units in a QFX3500 Device on page 63
• AC Power Specifications for a QFX3500 Device on page 147
• Prevention of Electrostatic Discharge Damage on page 192
• Connecting AC Power to a QFX3500 Device on page 265
DC Power Supply for a QFX3500 Device
The power supplies in a QFX3500 device (see Figure 45 on page 75) are hot-removable
and hot-insertable field-replaceable units (FRUs) that you can install on the front panel
without powering off the device or disrupting the switching function.
The DC power supply in a QFX3500 device is 650 W.
NOTE: The V+ terminals are referred to as +RTN and V– terminals are referred
to as –48 V in “DC Power Wiring Sequence Warning” on page 201 and “DC
Power Electrical Safety Guidelines” on page 197.
Figure 45: DC Power Supply for a QFX3500 Device
3—1— Ejector leverHandle
2—Terminal block
75Copyright © 2012, Juniper Networks, Inc.
Chapter 4: QFX3500 Overview
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