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Also question is, what is a metered rack PDU?
Metered Rack PDU. Metered rack PowerDistribution Units (PDUs) provide real-time remotemonitoring of connected loads. User-defined alarms warn ofpotential circuit overloads before critical IT failuresoccur.
Keeping this in view, what does a PDU do?
A power distribution unit (PDU) or mainsdistribution unit (MDU) is a device fitted with multiple outputsdesigned to distribute electric power, especially to racks ofcomputers and networking equipment located within a data center.Data centers face challenges in power protection and managementsolutions.
Racksurge protectors distribute power from a single source tomultiple devices but are not strictly PDUs. Theyare designed for use with equipment that needs to be guardedagainst voltage spikes and surges but does notrequire battery backup.