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Setup 36
Because of the high ground-leakage currents associated with multiple servers connected to the same power
source, HP recommends the use of a PDU that is either permanently wired to the building’s branch circuit or
includes a nondetachable cord that is wired to an industrial-style plug. NEMA locking-style plugs or those
complying with IEC 60309 are considered suitable for this purpose. Using common power outlet strips for
the server is not recommended.
Rack warnings
WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that:
• The leveling jacks are extended to the floor.
• The full weight of the rack rests on the leveling jacks.
• The stabilizing feet are attached to the rack if it is a single-rack installation.
• The racks are coupled together in multiple-rack installations.
• Only one component is extended at a time. A rack may become unstable if more than one
component is extended for any reason.
WARNING: To reduce the risk of personal injury or equipment damage when unloading a rack:
• At least two people are needed to safely unload the rack from the pallet. An empty 42U rack
can weigh as much as 115 kg (253 lb), can stand more than 2.1 m (7 ft) tall, and may become
unstable when being moved on its casters.
• Never stand in front of the rack when it is rolling down the ramp from the pallet. Always handle
the rack from both sides.
WARNING:
When installing a server in a telco rack, be sure that the rack frame is adequately
secured to the top and bottom of the building structure.
Server warnings and cautions
WARNING: This server is very heavy. To reduce the risk of personal injury or damage to the
equipment:
• Observe local occupational health and safety requirements and guidelines for manual
material handling.
• Get help to lift and stabilize the product during installation or removal, especially when the
product is not fastened to the rails. When the server weighs more than 22.5 kg (50 lb), at least
two people must lift the server into the rack together. A third person may be required to help
align the server if the server is installed higher than chest level.
• Use caution when installing the server in or removing the server from the rack; it is unstable
when not fastened to the rails.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. The front panel Power On/Standby
button does not completely
shut off system power. Portions of the power supply and some internal
circuitry remain active until AC power is removed.