IBM SAN512B-6, Installation, Service And User Manual

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Facility requirements
Before installing the device, be sure the following facilities requirements are met.
Table 2. Facility requirements
Type Requirements
Device specifications Ensure that the facility can accommodate system, power, and
environmental specifications for this device as outlined in the
Appendix B, “Product specifications,” on page 235.
Electrical Ensure that there are dedicated electrical branch circuits with the
following characteristics are available:
v 200–240 VAC, 50-60 Hz, four branch circuits are recommended
for high availability and maximum blade usage.
v
110–120 VAC, 50–60 Hz, four branch circuits are highly
recommended.
v Four cables for 110–120 VAC or 200–240 VAC service.
v Protected by a circuit breaker in accordance with local electrical
codes.
v Supply circuit, line fusing, and wire size adequate to the
electrical rating on the chassis nameplate.
v Location close to the chassis and easily accessible.
v Grounded outlets installed by a licensed electrician and
compatible with the power cords.
Ensure that all equipment in rack is grounded through a reliable
branch circuit connection.
Make sure that power distribution units (PDUs) can handle
maximum input amperage of power supplies. Use cables with
adequate amperage rating from PDUs to power source.
Thermal Ensure that the air intake and exhaust vents have a minimum of
5.1 cm (2 in.) of airspace.
Ensure that the air intake temperature is less than 40°C (104°F)
during operation.
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SAN512B-6 Installation, Service, and User Guide