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Manual Chapter: Platform Maintenance
Manual Chapter
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About maintaining the platform

The i2000/i4000 Series platform contains components that you can replace individually without exchanging the entire system. This platform contains these replaceable components:

  • AC power supply
  • DC power supply

About AC and DC power supplies

This platform supports up to two AC or DC hot swappable power supplies. Most platforms come with only one power supply by default.

CAUTION:
Running without power supplies installed in all available bays in the platform can affect cooling and electromagnetic interference (EMI). If you need to run the unit with one power supply unit (PSU), you must install a blank supply bracket into the empty power supply bay. The blank supply bracket is required to maintain proper airflow in the system. If you do not have a blank supply bracket, leave all supplies installed and disconnect power from any unused PSUs.
CAUTION:
Do not mix power supply unit (PSU) models. If two PSUs are installed in the same system, use only PSUs of the same model.
Important: You should use only one power supply unit type (AC or DC) in a platform. AC and DC interoperability is not supported.
Important: This product is sensitive to electrostatic discharge (ESD). F5® recommends that you use proper ESD grounding procedures and equipment when you install or maintain the unit.
Note: The AC and DC power supply units (PSU) do not have an on/off switch. You can control the power from the rack switch or the mains power source.
Note: After removing input power from any power supply unit, wait 30 seconds before reapplying input power to the power supply unit.

About AC power supplies

This platform can support up to two AC power supplies. You can hot swap a power supply without powering down the system if there are two installed, and one remains installed and operational during the replacement process.

The platform supports power supply redundancy, which ensures that the system is unaffected if a single power supply fails in a system containing more than one power supply.

The 250W AC power supply

CAUTION:
As a safety precaution, the socket outlet must be installed near the equipment and be easily accessible.

Replacing an AC power supply in a single-supply system

In the event of a power supply failure, you can replace an AC power supply in a single supply system.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Use the touchscreen LCD to halt and power off the system.
    Performing a proper shutdown procedure helps maintain system integrity.
  2. Before removing the PSU from your system, disconnect the AC power cord from the power supply by squeezing one or both of the power cord lock actuators.
    Important: Locking AC power cords might not be available in all countries.
  3. Remove the failed AC PSU by squeezing the ejector latch and pulling straight toward you.

    PSU removal from i2000/i4000 Series platform

    Note: After you remove a power supply unit (PSU) from the system, ensure that the replacement PSU has been unpowered for 30 seconds to ensure that the PSU circuitry is fully discharged before inserting the replacement PSU into the system.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Slide the new PSU into the empty slot, and push it in until the ejector latch engages and clicks.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  6. Ensure that the PSU is fully seated in the chassis by making sure it does not come out when gently pulled.
  7. Connect the AC power cord to the new PSU.
    If the system does not boot after you apply power to the PSU, use the touchscreen LCD to power on the system.

Replacing an AC power supply in a dual-supply system

In the event of a power supply unit (PSU) failure, you can replace an AC PSU in a dual-supply system without powering down the system, provided that there is at least one PSU operating during the replacement process.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Make sure that you have a live power supply unit (PSU) already installed in your system if you want to hot swap a PSU while the system is running.
  2. Before removing the PSU from your system, disconnect the AC power cord from the power supply by squeezing one or both of the power cord lock actuators.
    Important: Locking AC power cords might not be available in all countries.
  3. Remove the failed AC PSU by squeezing the ejector latch and pulling straight toward you.

    PSU removal from i2000/i4000 Series platform

    Note: After you remove a power supply unit (PSU) from the system, ensure that the replacement PSU has been unpowered for 30 seconds to ensure that the PSU circuitry is fully discharged before inserting the replacement PSU into the system.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Slide the new PSU into the empty slot, and push it in until the ejector latch engages and clicks.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  6. Ensure that the PSU is fully seated in the chassis by making sure it does not come out when gently pulled.
  7. Connect the AC power cord to the new PSU.
    If the system does not boot after you apply power to the PSU, use the touchscreen LCD to power on the system.
  8. Optional: Use the LCD touchscreen to clear any alert messages that might have resulted from performing the PSU replacement.

About DC power supplies

This platform can support up to two DC power supplies. You can hot swap power supplies without powering down the system if there are two installed and one remains installed and operational during the replacement process.

The platform supports power redundancy, which ensures that the system is unaffected if a single power supply fails in a system containing more than one power supply.

Important: Your platform must be running BIG-IP® software versions 12.1.1HF2, 12.1.2, or later to support DC power.

The 650W DC power supply

CAUTION:
Before installing a DC power supply unit, be sure that the circuit breaker for the DC mains power to the power supply unit is switched off.
CAUTION:
Before you begin to work with one of these platforms, refer to the DC-powered equipment environmental warnings for this platform and review any safety requirements for the facilities where the DC-powered platforms will be installed.
Important: You should use only one power supply unit type (AC or DC) in a platform. AC and DC interoperability is not supported.
Important: The platform must be installed in a RESTRICTED ACCESS LOCATION, such as a central office or customer premises environment.
Note: Copper cables used for grounding must meet appropriate safety standards.
Note: Bare conductors should be coated with an appropriate antioxidant before being crimped. Make sure to clean all unplated connectors, braided strap, and bus bars to a bright finish prior to coating them with the antioxidant.
Note: The platform must be grounded to a common bonding network (CBN).
Note: The battery return terminals on the platform are in an isolated DC return (DC-I) configuration.
Note: When you are running a redundant DC power supply configuration, F5® strongly recommends that each DC power supply unit in the system receives power from independent DC main power sources with independent circuit breakers.
Note: After removing input power from any power supply unit, wait 30 seconds before reapplying input power to the power supply unit.

Replacing a DC power supply in a single-supply system

Before you perform a DC power supply unit (PSU) replacement, you need to provide these tools and components:
  • 12 AWG copper cable long enough to reach from the platform to the DC power source
  • Flat-head or Philips head screwdriver
In the event of a power supply unit (PSU) failure, you can replace a DC PSU in a single-supply system.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Use the touchscreen LCD to halt and power off the system.
    Performing a proper shutdown procedure helps maintain system integrity.
  2. Be sure that the circuit breaker for the DC mains power source is switched off.
  3. Remove the failed DC PSU by squeezing the ejector latch and pulling straight toward you.
    Note: After you remove a power supply unit (PSU) from the system, ensure that the replacement PSU has been unpowered for 30 seconds to ensure that the PSU circuitry is fully discharged before inserting the replacement PSU into the system.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Assemble the DC cable by connecting one of the included DC ring terminals to one end of each of your 12 AWG copper cables.
  6. Remove the terminal cover.
  7. Use a screwdriver to remove the screws from the DC power terminals.
  8. Connect the ring terminal for the positive (+) DC wire (typically red) to the left terminal and the ring terminal for the negative (-) DC wire (typically black) to the right terminal.
  9. If the chassis is not connected to Earth ground, connect the power supply Earth ground terminal to Earth ground.
  10. After you have attached the ring terminals to the terminals, secure them using a screwdriver.
    Use 13.5 inch-pounds (1.53 Newton-meters) of torque on these screws.
  11. Verify that the DC power cables are connected to the appropriate terminal.
    The red wire should be connected to the terminal labeled positive (+), and the black wire should be connected to the terminal labeled negative (-).
  12. Replace the terminal cover.
  13. Slide the new PSU into the empty slot, and push it in until the ejector latch engages and clicks.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  14. Ensure that the PSU is fully seated in the chassis by making sure it does not come out when gently pulled.
  15. Reapply input power from DC mains power source by switching the circuit breaker back on.
  16. Optional: Use the LCD touchscreen to clear any alert messages that might have resulted from performing the PSU replacement.

Replacing a DC power supply in a dual-supply system

Before you perform a DC power supply unit (PSU) replacement, you need to provide these tools and components:
  • 12 AWG copper cable long enough to reach from the platform to the DC power source
  • Flat-head or Philips head screwdriver
In the event of a power supply failure, you can replace a DC power supply unit (PSU) in a dual-supply system without powering down the system, provided that there is at least one PSU operating during the replacement process.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Make sure that you have a live power supply unit (PSU) already installed in your system if you want to hot swap a PSU while the system is running.
  2. Be sure that the circuit breaker for the DC mains power source is switched off.
  3. Remove the failed DC PSU by squeezing the ejector latch and pulling straight toward you.
    Note: After you remove a power supply unit (PSU) from the system, ensure that the replacement PSU has been unpowered for 30 seconds to ensure that the PSU circuitry is fully discharged before inserting the replacement PSU into the system.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Assemble the DC cable by connecting one of the included DC ring terminals to one end of each of your 12 AWG copper cables.
  6. Remove the terminal cover.
  7. Use a screwdriver to remove the screws from the DC power terminals.
  8. Connect the ring terminal for the positive (+) DC wire (typically red) to the left terminal and the ring terminal for the negative (-) DC wire (typically black) to the right terminal.
  9. After you have attached the ring terminals to the terminals, secure them using a screwdriver.
    Use 13.5 inch-pounds (1.53 Newton-meters) of torque on these screws.
  10. If the chassis is not connected to Earth ground, connect the power supply Earth ground terminal to Earth ground.
  11. Verify that the DC power cables are connected to the appropriate terminal.
    The red wire should be connected to the terminal labeled positive (+), and the black wire should be connected to the terminal labeled negative (-).
  12. Replace the terminal cover.
  13. Slide the new PSU into the empty slot, and push it in until the ejector latch engages and clicks.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  14. Ensure that the PSU is fully seated in the chassis by making sure it does not come out when gently pulled.
  15. Reapply input power from DC mains power source by switching the circuit breaker back on.
  16. Optional: Use the LCD touchscreen to clear any alert messages that might have resulted from performing the PSU replacement.
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