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Rear Panel of a JA2500 Appliance

The rear panel of the JA2500 Junos Space Appliance, shown in Figure 1, consists of the components listed in Table 1.

Figure 1: JA2500 Rear PanelJA2500 Rear Panel

Cooling fans


Redundant power supply module slot


Power switch


Power supply module

Table 1: JA2500 Appliance Rear Panel Components



Cooling fans

The JA2500 appliance has two hot-swappable cooling fans that provide the required airflow to cool the appliance.

Power switch

The appliance power switch is used to power on or power off the appliance.

Redundant power supply module slot

An empty power supply module slot is provided so that a second power supply module can be added, for redundancy, if needed.

Power supply module

A single AC power supply module is shipped with the appliance and provides power to the appliance. However, the appliance can also be run on DC by using the DC power supply module for the JA2500 appliance.

Power Supply Module LED

One LED is present on the power supply module:

  • Green indicates that the power supply module is powering the appliance.

  • Amber indicates that the power supply module is on but it is not powering the appliance (standby mode).