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Field-Replaceable Units on the JA2500 Junos Space Appliance

 

Field-replaceable units (FRUs) are components that you can replace at your site. The FRUs in the JA2500 Junos Space Appliance are of the following types:

  • Hot-swappable FRUs: You can remove and replace these components without powering off the appliance.

  • Cold-swappable FRUs: You must power off the appliance in order to remove, replace, or add these components.

The FRUs supported in the JA2500 appliance are listed in Table 8.

Table 8: JA2500 Appliance FRUs

FRU

Type

AC power supply

Cold-swappable, if the appliance has only one power supply module

Hot-swappable, if the appliance has an additional redundant, functioning power supply module that is plugged into a separate power circuit

Cooling fans

Hot-swappable

DC power supply

Cold-swappable, if the appliance has only one power supply module

Hot-swappable, if the appliance has an additional redundant, functioning power supply module that is plugged into a separate power circuit

Hard disks

Hot-swappable