AC Power Source Requirements
ELECTRIC VOLTAGEWARNING
Ensure that the rack and the external power source are grounded in
accordance with national and local regulations. Contact the appropriate
electrical inspection authority or a qualified/licensed electrician, if you are
uncertain that suitable grounding is available. Incorrect grounding could
result in personal injury or damage to equipment.
l The HD system relies on the building installation for overcurrent protection. Proper
overcurrent protection of conductors and equipment should be available at the
installation site.
l Power circuits and associated circuit breakers must provide sufficient power.
l When you plan the power supply for the location, consider the power requirements for
any external terminals and test equipment, and also for future expansion.
You might need to perform and verify electrical or environmental
modifications before you can install the equipment.
l HDEquipment General Safety Guidelines and Warnings
l Operational Risks
l Electrostatic Discharge Damage Prevention and Warning
l Electrical Safety Guidelines and Warnings
AC Power Source Requirements
The AC-powered shelf operates either at nominal 110 V/60 Hz or 230 V/50 Hz. The AC
power supply modules (PSMs) automatically detect the input voltage and work with
power systems that have a grounded, neutral conductor.
The HD system relies on protective devices for protection against short-circuit,
overcurrent, and grounding fault. These devices should be part of the building installation.
Ensure that these protective devices in the building installation have the proper rating to
protect the system, and that they are in compliance with national and local wiring
regulations.
Adhere to these requirements and guidelines for the ACpower source:
l To achieve power redundancy, each PSM must have its own AC receptacle.
You can increase reliability by connecting the receptacles to different
power phases.
203 FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B
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