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Maintaining the PTX1000 Power Supplies

 

Removing a Power Supply from the PTX1000

The power supplies in a PTX1000 are hot-removable and hot-insertable field-replaceable units (FRUs)—you can remove and replace them without powering off the PTX1000 or disrupting routing functions.

Caution

Replace the power supply within 30 seconds of removal to prevent chassis overheating. Before removing the power supply, ensure you have a replacement power supply available.

Before you remove a power supply from a PTX1000, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

Ensure that you have the following parts and tools available:

  • ESD grounding strap

  • Antistatic bag or an antistatic mat

Caution

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

To remove a power supply from a PTX1000 (see Figure 1):

  1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  2. To prevent damage to the equipment caused by static discharge, attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  3. Disconnect power to the PTX1000:

    • AC power supply—If the AC power source outlet has a power switch, set it to the off (O) position. If the AC power source outlet does not have a power switch, gently pull out the male end of the power cord connected to the power source outlet.

    • DC power supply—Switch the circuit breaker on the panel board that services the DC circuit to the off position.

    Note

    If you need to remove all the power supplies installed in your PTX1000, you must power off the PTX1000 before removing the power supplies. See Powering Off the PTX1000.

  4. Remove the power source cable from the power supply faceplate:

    • AC power supply—Gently pull out the female end of the power plug connected to the power supply faceplate.

    • DC power supply—Loosen the thumb screws for the power cable. Gently pull out the female end of the power plug connected to the power supply faceplate.

  5. Slide the locking lever toward the handle until it stops.
  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 a Power Supply from a PTX1000
    Removing a Power Supply
from a PTX1000
  8. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.

Installing a Power Supply in a PTX1000

The power supplies in a PTX1000 are hot-removable and hot-insertable field-replaceable units (FRUs)—you can remove and replace them without powering off the PTX1000 or disrupting routing functions.

Caution

Replace the power supply within 30 seconds of removal to prevent chassis overheating. Before removing the power supply, ensure you have a replacement power supply available.

  • Before you install a power supply in a PTX1000, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

  • Ensure that you have an ESD grounding strap.

  • If the power supply has protective plastic wrap, peel and remove the plastic wrap from all four sides of the power supply.

Caution

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

To install a power supply in a PTX1000 (see Figure 2):

  1. To prevent damage to the equipment caused by static discharge, attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  2. Taking care not to touch power supply components, pins, leads, or solder connections, remove the power supply from its bag.
  3. Using both hands, place the power supply in the power supply slot on the FRU panel of the PTX1000 and slide it in until it is fully seated and the locking lever slides into place.
Figure 2: Installing a Power Supply in a PTX1000
Installing a Power
Supply in a PTX1000
Note

Each power supply must be connected to a dedicated power source outlet.

Note

If you have a Juniper Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/ . 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.