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Replacing the AC Power Supply Module on a Junos Space Appliance

Ensure that you have the following parts and tools available to remove the power supply module from the appliance chassis:

  • (Optional) Electrostatic discharge (ESD) grounding strap

  • An antistatic bag or an antistatic mat

Note:

If only one power supply module is installed in your Junos Space Appliance, you must power off the appliance before removing the power supply module.

This topic has the following sections:

Removing the AC Power Supply Module

To remove the AC power supply module, do the following:

  1. Place an antistatic bag or an antistatic mat on a flat, stable surface.
  2. (Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an external ESD point.
  3. If the AC power source outlet has a power switch, set it to the OFF position.
  4. Gently pull out the plug end of the power cord connected to the power source outlet.
  5. Remove the power cord from the power supply faceplate by detaching the power cord retainer and gently pulling out the socket end of the power cord connected to the power supply faceplate.
  6. Slide the locking ejector lever to the right, as shown in Figure 1, until it is in its furthest position.
    Figure 1: Removing the AC Power Supply ModuleRemoving the AC Power Supply Module
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    Power supply ejector lever

    		 
  7. Grasp the power supply handle and pull firmly to slide the power supply module halfway out of the appliance.
  8. Place one hand under the power supply module to support it and slide it completely out of the appliance. Take care not to touch power supply components, pins, leads, or solder connections.
  9. Place the power supply module in the antistatic bag or on the antistatic mat on a flat, stable surface.

Installing the AC Power Supply Module

To install the AC power supply module, do the following:

  1. Remove the replacement power supply module from its antistatic bag, taking care not to touch power supply pins, leads, or solder connections.
  2. (Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an external ESD point.
  3. If the power supply slot has a cover panel on it, slide the ejector lever (on the cover panel) to the right and then take out the cover. Save the cover panel for later use.
  4. Insert and push the new power supply module into the slot, as shown in Figure 2, until the ejector lever locks.
    Figure 2: Installing the AC Power Supply ModuleInstalling the AC Power Supply Module
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    Power supply ejector lever

    		 
  5. Connect the AC power cord to the power supply module. For more information, see the Connecting AC Power to the Junos Space Appliance topic.
  6. If the appliance is not powered on, power on the appliance by pressing the switch on the rear panel, next to the power supply module.

    The Junos Space Appliance starts powering on when you supply power to the power supply module. If the power supply module is correctly installed and functioning normally, the LED on the power supply module displays green when the power supply module is powering the appliance, and amber when the power supply module is in standby mode (not powering the appliance).

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