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Maintaining the SRX4200 Power System

Replacing an AC Power Supply on the SRX4200

The power supplies are hot-removable and hot-insertable field-replaceable units (FRUs) installed in the rear panel of the services gateway. You can remove and replace them without powering off the services gateway or disrupting services gateway functions.

Ensure that you have the following parts and tools available:

  • ESD grounding strap

  • Antistatic bag or an antistatic mat

  • Replacement power supply

Removing an AC Power Supply from an SRX4200 Services Gateway

To remove a power supply from the services gateway (see Figure 1):

  1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to the ESD point on the chassis.
  3. If the AC power source outlet has a power switch, set it to the off (0) position and pull out the power cord connected to the power source outlet.
  4. Remove the power cord from the power supply faceplate.
  5. Slide the ejector lever toward the left until the power supply is unseated.
  6. Grasp the power supply handle and pull firmly to slide the power supply halfway out of the chassis.
  7. Place one hand under the power supply to support it and slide it completely out of the chassis. Take care not to touch power supply components, pins, leads, or solder connections.
    Figure 1: Removing an AC Power SupplyRemoving an AC Power Supply
  8. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.

Installing an AC Power Supply in an SRX4200 Services Gateway

CAUTION:

Do not mix AC and DC power supplies in the same chassis.

To install an AC power supply (see Figure 2):

  1. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.
  2. If the power supply slot has a cover panel on it, with one hand slide the ejector lever toward the left until it stops and using the other hand pull the handle of the cover panel outward to remove it. Save the cover panel for later use.
  3. Taking care not to touch power supply pins, leads, or solder connections, remove the power supply from the bag.
  4. Using both hands, place the power supply in the power supply slot on the rear panel of the services gateway and slide it in until it is fully seated and the ejector lever fits into place. You will hear a distinct click when the power supply is fully seated in the chassis.
    Figure 2: Installing an AC Power SupplyInstalling an AC Power Supply

See Also

Replacing a DC Power Supply on the SRX4200

The power supplies are hot-removable and hot-insertable field-replaceable units (FRUs) installed in the rear panel of the services gateway. You can remove and replace them without powering off the services gateway or disrupting services gateway functions.

Ensure that you have the following parts and tools available:

  • ESD grounding strap

  • Phillips (+) screwdriver, number 2

  • Antistatic bag or an antistatic mat

  • Replacement power supply

Removing a DC Power Supply from an SRX4200 Services Gateway

To remove a DC power supply (see Figure 3):

  1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  2. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.
  3. Make sure that the voltage across the DC power source cables leads is 0 V and that there is no chance that the cables might become active during the removal process.
  4. Remove the plastic cover from the input terminals by sliding the cover either to the left or right.
  5. Unscrew the locking screws counterclockwise by using the screwdriver.
  6. Remove the cable lugs from the input DC terminals.
  7. Slide the ejector lever toward the left until the power supply is unseated.
  8. Grasp the power supply handle and pull firmly to slide the power supply halfway out of the chassis.
  9. Taking care not to touch power supply pins, leads, or solder connections, place one hand under the power supply to support it. Grasp the power supply handle with your other hand and pull the power supply completely out of the chassis.
    Figure 3: Removing a DC Power SupplyRemoving a DC Power Supply
  10. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.

Installing a DC Power Supply in an SRX4200 Services Gateway

CAUTION:

Do not mix AC and DC power supplies in the same chassis.

To install a DC power supply (see Figure 4):

  1. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.
  2. Taking care not to touch power supply pins, leads, or solder connections, remove the power supply from the bag.
  3. Using both hands, place the power supply in the power supply slot on the rear panel of the services gateway and slide it in until it is fully seated and the ejector lever fits into place. You will hear a distinct click when the power supply is fully seated in the chassis.
    Figure 4: Installing a DC Power SupplyInstalling a DC Power Supply

See Also