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Features

? A PSE System operating in the Controller mode with PD77728 has the following system and port level

features:

– Detection

– Classification

– Inrush

– Port Power Up

– Real-Time Protection (RTP)

? A PSE System operating in the Controller mode with PD77020 has the following system and port level

features:

– Support for up to 16 Power Banks

– Power Management

? Configure active ports (disabling unused ports)

? Power up ports (based on detection/classification results)

? Ports power down (based on power budget)

? Autoclass

? Power budgeting

? Power Good pins to OSS translation

? OSS—Port priority

? Power measurement

– Communication with Host (15-byte protocol)

? System, Device, and Port Status

? Temperature alarm

? Reading chips temperature

– LLDP

? Host

– High level configuration (total power budget)

– Ports priority definitions

– Reading PoE information from PD77020

Applications

A PSE based on the PD77728 and the PD77020 devices has the following key applications:

? Switches and routers for enterprise, small and medium business, SOHO, and commercial markets.

? Switches and router for enterprise market.

? Switches for medium and small business, SOHO commercial markets.

? PoE injectors