• Cabinet Requirements for a QFX3500 Device on page 52
• Mounting a QFX3500 Device in a Rack or Cabinet on page 77
• Installing and Connecting a QFX3500 Device on page 75
• Installing and Removing QFX3500 Device Hardware Components on page 121
Field-Replaceable Units in a QFX3500 Device
Field-replaceable units (FRUs) are components that you can replace at your site. The
QFX3500 device FRUs except the management board are hot-insertable and
hot-removable: you can remove and replace them without powering off the device or
disrupting the switching function.
CAUTION: Replace a failed power supply with a blank panel or new power
supply within 1 minute of removal to prevent chassis overheating. Replace a
failed fan tray with a new fan tray within 1 minute of removal to prevent
chassis overheating.
Table 4 on page 18 lists the FRUs for the QFX3500 device and actions to take before
removing them.
Table 4: FRUs in a QFX3500 Device
Required ActionFRU
None.Power supplies
None.Fan trays
You must power off the QFX3500 device before replacing the management board. See
“Removing a Management Board from a QFX3500 Device” on page 130.
Management board
None. We recommend that you disable the interface using the set interfaces
interface-name disable command before you remove the transceiver. See Disconnecting
a Fiber-Optic Cable from a QFX Series Device.
Optical transceivers
NOTE: If you have a Juniper J-Care service contract, register any addition,
change, or upgrade of hardware components at
https://www.juniper.net/customers/csc/management/updateinstallbase.jsp .
Failure to do so can result in significant delays if you need replacement parts.
This note does not apply if you replace existing components with the same
type of component.
Related
Documentation
Installing and Removing QFX3500 Device Hardware Components on page 121•
Copyright © 2017, Juniper Networks, Inc.18
QFX3500 Device Hardware Documentation
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