Task 14: Plan Ac Power - HP StorageWorks 64 - SAN Director Switch Planning Manual

Configuration Planning Tasks

Task 14: Plan AC Power

Plan for facility power sources for each equipment rack. Directors and switches in
the rack operate at 50 to 60 Hertz (Hz) and 100 to 240 volts alternating current
(VAC), and require a minimum dedicated 5-ampere service. If two power sources
are supplied (optional but recommended for high availability), the equipment rack
contains two customer-specified external power cords. Each cord should be
connected to a separate power circuit, or both should be connected to an
uninterruptable power supply (UPS). Several types of power cables and plugs are
available to meet local electrical requirements.
Keep all power cables out of high-traffic areas for safety and to avoid power
interruption caused by accidentally unplugging the product or equipment rack.
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WARNING: An insulated grounding conductor identical in size, insulating
material, and thickness to the grounded and ungrounded branch-circuit supply
conductors (except it is green, with or without one or more yellow stripes) shall
be installed as part of the branch circuit supplying the product. The grounding
conductor described shall be connected to ground at the product, or if
supplied by a separately derived system, at the supply transformer or motor
generator. The plug receptacles near the product shall all be a grounding type,
and grounding conductors serving these receptacles shall be connected to
ground at the product.
SAN High Availability Planning Guide