Integrated Digital Isolation drives Intelligent Power - Electronic Products, Power Supplement

 

Power can now be allocated much as data bandwidth is today

 

The advent of Power over Ethernet (PoE) has enabled powering network devices via the same Ethernet cable used for data. This sharing capability eliminates the need to provide a wall-wart power cube and power outlet for each device, thereby consolidating network power at the power-sourcing equipment (PSE). While the new IEEE 802.3at standard is best known for its increased power maximum (from 13 to 25.5 W), perhaps its most enterprise-friendly feature is the added control functionality that allows for dynamic allocation of per-port power device (PD) power by the PSE. Power can now be allocated much as data bandwidth is today.

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