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When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.

Dispose of the battery as required by local ordinances or regulations.

When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following:

• Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.

Use safe practices when lifting.

The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

If you install a strain-relief bracket option over the end of the power cord that is connected to the device, you must connect the other end of the power cord to an easily accessible power source.

If the device has doors, be sure to remove or secure the doors before moving or lifting the device to avoid personal injury. The doors will not support the weight of the device.

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

To avoid personal injury, disconnect the hot-swap fan cables before removing the fan from the device.

Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices.

The following label indicates sharp edges, corners, or joints nearby.

The following label indicates a hot surface nearby.

Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is authorized to remove the covers where the following label is attached.

Make sure that the rack is secured properly to avoid tipping when the server unit is extended.

Some accessory or option board outputs exceed Class 2 or limited power source limits and must be installed with appropriate interconnecting cabling in accordance with the national electric code.

The following label indicates moving parts nearby.

To reduce the risk of electric shock or energy hazards:

• This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950, Third Edition, The Standard for Safety of Information Technology Equipment.
• Connect the equipment to a reliably grounded safety extra low voltage (SELV) source. An SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current).
• The branch circuit overcurrent protection must be rated at a minimum of 5 A to a maximum of 15 A.
• Use 14 American Wire Gauge (AWG) or 2.5 mm² copper conductor only, not exceeding 3 meters in length.
• Torque the wiring-terminal screws to 12 inch-pounds (1.4 newton-meters).
• Incorporate a readily available approved and rated disconnect device in the field wiring.

The power-control button on the device does not turn off the electrical current supplied to the device. The device also might have more than one connection to dc power. To remove all electrical current from the device, ensure that all connections to dc power are disconnected at the dc power input terminals.

To avoid personal injury, before lifting the unit, remove all the blades to reduce the weight.

Hazardous energy is present when the blade is connected to the power source. Always replace the blade cover before installing the blade.

To reduce the risk of electric shock or energy hazards:

• This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950, Third Edition, The Standard for Safety of Information Technology Equipment.
• Connect the equipment to a reliably grounded safety extra low voltage (SELV) source. An SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current).
• The branch circuit overcurrent protection must be rated at a minimum of 13 A to a maximum of 15 A.
• Use 16 American Wire Gauge (AWG) or 1.3 mm² copper conductor only, not exceeding 3 meters in length.
• Torque the wiring-terminal screws to 12 inch-pounds (1.4 newton-meters).
• Incorporate a readily available approved and rated disconnect device in the field wiring.

Do not place any object weighing more than 50 kg (110 lb) on top of rack-mounted devices.

To reduce the risk of electric shock or energy hazards:

• This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950, Third Edition, The Standard for Safety of Information Technology Equipment.
• Connect the equipment to a reliably grounded safety extra low voltage (SELV) source. An SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current).
• The branch circuit overcurrent protection must be rated at a minimum of 12 A to a maximum of 15 A.
• Use 14 American Wire Gauge (AWG) or 2.5 mm² copper conductor only, not exceeding 3 meters in length.
• Torque the wiring-terminal screws to 12 inch-pounds (1.4 newton-meters).
• Incorporate a readily available approved and rated disconnect device in the field wiring.

This product contains a Class 1M laser. Do not view directly with optical instruments.

Do not place any object on top of rack-mounted devices.

Hazardous moving parts are nearby.

The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it only with the approved part. Recycle or discard the battery as instructed by local regulations.

This equipment is designed to permit the connection of the earthed conductor of the dc supply circuit to the earthing conductor at the equipment. If this connection is made, all of the following conditions must be met:

• This equipment shall be connected directly to the dc supply system earthing electrode conductor or to a bonding jumper from an earthing terminal bar or bus to which the dc supply system earthing electrode conductor is connected.
• This equipment shall be located in the same immediate area (such as, adjacent cabinets) as any other equipment that has a connection between the earthed conductor of the same dc supply circuit and the earthing conductor, and also the point of earthing of the dc system. The dc system shall not be earthed elsewhere.
• The dc supply source shall be located within the same premises as this equipment.
• Switching or disconnecting devices shall not be in the earthed circuit conductor between the dc source and the point of connection of the earthing electrode conductor.

To reduce the risk of electric shock or energy hazards:

• This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950-1, First Edition, The Standard for Safety of Information Technology Equipment.
• Connect the equipment to a reliably grounded safety extra low voltage (SELV) source. An SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current).
• The branch circuit overcurrent protection must be rated 20 A.
• Use 12 American Wire Gauge (AWG) or 2.5 mm² copper conductor only, not exceeding 4.5 meters in length.
• Incorporate a readily available approved and rated disconnect device in the field wiring.

To avoid personal injury, before you lift the unit, remove all the blades, power modules, and other removable modules to reduce the weight.

This product does not provide a power-control button. Turning off blades or removing power modules and I/O modules does not turn off electrical current to the product. The product also might have more than one power cord. To remove all electrical current from the product, make sure that all power cords are disconnected from the power source.

To reduce the risk of electric shock or energy hazards:

• This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950-1, First Edition, The Standard for Safety of Information Technology Equipment.
• Connect the equipment to a properly grounded safety extra low voltage (SELV) source. A SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level (60 V direct current).
• Incorporate a readily available approved and rated disconnect device in the field wiring.
• See the specifications in the product documentation for the required circuit-breaker rating for branch circuit overcurrent protection.
• Use copper wire conductors only. See the specifications in the product documentation for the required wire size.
• See the specifications in the product documentation for the required torque values for the wiring-terminal screws.

To ensure safety, all configurations of the rack cabinet must be certified by a nationally recognized testing laboratory to verify compliance with country-specific safety regulations. This process ensures that the end product remains safe for the operator and service personnel under normal and forseeable misuse conditions.

Use safe practices when lifting.

Do not place any object on top of a rack-mounted device unless that rack-mounted device is intended for use as a shelf.

The power-control button on the device and the power switch on the power supply do not turn off the electrical current that is supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, make sure that all power cords are disconnected from the power source.

Removing components from the upper positions in the Enterprise Rack cabinet improves rack stability during relocation. Follow these general guidelines whenever you relocate a populated rack cabinet within a room or building:

• Reduce the weight of the rack cabinet by removing equipment starting at the top of the rack cabinet. When possible, restore the rack cabinet to the configuration of the rack cabinet as you received it. If this configuration is not known, you must do the following:
  • Remove all devices in the 32 U position and above.
  • Make sure that the heaviest devices are installed in the bottom of the rack cabinet.
  • Make sure that there are no empty U positions between devices installed in the rack cabinet below the 32 U position.
• If the rack cabinet that you are relocating is part of a suite of rack cabinets, detach the rack cabinet from the suite.
• Inspect the route that you plan to take, to eliminate potential hazards.
• Make sure that the route that you choose can support the weight of the loaded rack cabinet. See the documentation that comes with your rack cabinet for the weight of a loaded rack cabinet.
• Make sure that all door openings are at least 760 x 2030 mm (30 x 80 in.)
• Make sure that all devices, shelves, drawers, doors, and cables are secure.
• Make sure that the four leveling pads are raised to their highest positions.
• Make sure that no stabilizer bracket is installed on the rack cabinet.
• Do not use a ramp that is inclined more than 10 degrees.
• When the rack cabinet is in the new location, do the following:
  • Lower the four leveling pads.
  • Install stabilizer brackets on the rack cabinet.
  • If you removed any devices from the rack cabinet, repopulate the rack cabinet from the lowest position to the highest position.

If a long-distance relocation is required, restore the rack cabinet to the configuration of the rack cabinet as you received it. Pack the rack cabinet in the original packaging material, or equivalent. Also, lower the leveling pads to raise the casters off the pallet and bolt the rack cabinet to the pallet.

Removing components from the upper positions in the rack cabinet improves rack stability during relocation. Follow these general guidelines whenever you relocate a populated rack cabinet within a room or building:

• Reduce the weight of the rack cabinet by removing equipment starting at the top of the rack cabinet. When possible, restore the rack cabinet to the configuration of the rack cabinet as you received it. If this configuration is not known, you must do the following:
  • Remove all devices in the 22 U position and above.
  • Make sure that the heaviest devices are installed in the bottom of the rack cabinet.
  • Make sure that there are no empty U positions between devices installed in the rack cabinet below the 22 U position.
• If the rack cabinet that you are relocating is part of a suite of rack cabinets, detach the rack cabinet from the suite.
• Inspect the route that you plan to take, to eliminate potential hazards.
• Make sure that the route that you choose can support the weight of the loaded rack cabinet. See the documentation that comes with your rack cabinet for the weight of a loaded rack cabinet.
• Make sure that all door openings are at least 760 x 2083 mm (30 x 82 in.)
• Make sure that all devices, shelves, drawers, doors, and cables are secure.
• Make sure that the four leveling pads are raised to their highest positions.
• Make sure that no stabilizer bracket is installed on the rack cabinet.
• Do not use a ramp that is inclined more than 10 degrees.
• When the rack cabinet is in the new location, do the following:
  • Lower the four leveling pads.
  • Install stabilizer brackets on the rack cabinet.
  • If you removed any devices from the rack cabinet, repopulate the rack cabinet from the lowest position to the highest position.

If a long-distance relocation is required, restore the rack cabinet to the configuration of the rack cabinet as you received it. Pack the rack cabinet in the original packaging material, or equivalent. Also, lower the leveling pads to raise the casters off the pallet and strap the rack cabinet to the pallet.

See the instructions in the rack documentation before you install devices, remove devices, or relocate the rack.

The weight of this part or unit is more than 55 kg (121.2 lb). It takes specially trained persons, a lifting device, or both to safely lift this part or unit. (C011)

Goggles are needed for the procedure.