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Maintain the PTX10002-36QDD Power Supply Units

Remove a Power Supply Unit from the PTX10002-36QDD

We ship the router with 1+1 redundant power supply units PSUs preinstalled in the rear panel. The PSUs are hot-removable and hot-insertable field-replaceable units (FRUs): You can remove and replace them without powering off the router or disrupting router functions.

Before you remove a PSU, 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:

  • An ESD grounding strap—not provided

  • An antistatic bag or an antistatic mat—not provided

  • A number 1 Phillips (+) screwdriver—not provided

  • If you are removing a DC PSU, a wrench to loosen the hex nuts that secure the power cable lugs to the PSU—not provided

CAUTION:

Replace the PSU within 30 seconds of removal to prevent chassis overheating. Before removing the PSU, ensure you have a replacement PSU available. Both the PSUs must be present in the chassis for the normal operation of the router.

To remove a PSU:

  1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  2. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to a site ESD point.
  3. Disconnect power to the PSU:

    • HVAC/HVDC PSU—If the power source outlet has a power switch, set it to the off (O) position.

    • DC PSU—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 PSUs installed in the router, you must power off the router before removing the PSUs. See Power Off the PTX10002-36QDD Router.
  4. Remove the power source cable from the PSU faceplate:

    • HVAC/HVDC PSU—Gently pull out the socket end of the power plug connected to the PSU faceplate.

    • DC PSU

      • Use a number 1 Phillips (+) screwdriver to loosen the screws that secure the cable manager bracket to the PSU. Gently move the bracket to the right and pull it out.

      • Use a wrench to loosen the hex nuts that secure the power cable lugs to the PSU and remove the cables.

  5. Pull the PSU out of the chassis:

    • HVAC/HVDC PSU—Push the locking lever toward the handle. Grasp the PSU handle and pull firmly to slide the PSU halfway out of the chassis.

    • DC PSU—Push the locking lever toward the handle. Grasp the PSU handle and pull firmly to slide the PSU halfway out of the chassis.

  6. Place one hand under the PSU to support it and slide it completely out of the chassis. Take care not to touch PSU components, pins, leads, or solder connections.
  7. Place the PSU in the antistatic bag or on the antistatic mat placed on a flat, stable surface.

Install a Power Supply Unit in a PTX10002-36QDD

We ship the router with 1+1 redundant PSUs preinstalled in the rear panel. The PSUs are hot-removable and hot-insertable field-replaceable units (FRUs): You can remove and replace them without powering off the router or disrupting router functions.

  • Before you install a PSU in the router, 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 PSU has protective plastic wrap, peel and remove the plastic wrap from all sides of the PSU.

CAUTION:

You must not mix:

  • HVAC/HVDC and DC PSUs in the same chassis.

  • 2200-W and 3000-W PSUs in the same chassis.
Warning:

You must install the router in a restricted-access location and ensure that the chassis is always properly grounded.

To install a PSU:

  1. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to a site ESD point.
  2. Taking care not to touch PSU components, pins, leads, or solder connections, remove the PSU from its bag.
  3. If the PSU has protective plastic wrap, peel and remove the plastic wrap from all sides of the PSU.
  4. Using both hands, place the PSU in PSU slot on the rear panel and slide it in until it is fully seated and the locking lever slides into place.
    Figure 1: Install an HVAC/HVDC PSU Install an HVAC/HVDC PSU
    Figure 2: Install a DC PSU Install a DC PSU
Note:

You must connect each PSU 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.