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.
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 1 lists the FRUs for the QFX3500 device and actions to take before removing them.
Table 1: FRUs in a QFX3500 Device
You must power off the QFX3500 device before replacing the management board. See Removing a Management Board from a QFX3500 Device.
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.
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.