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TPS23881: I have read TI's explanation. The explanation is that POH is a one-way protocol, and TPS23881 only outputs 30W power to POH PD by default. If you need to output higher power, you need the host command.Does this mean that POH PD cannot be grad

user6251361
Prodigy 30 points
Part Number: TPS23881

I have read TI's explanation. The explanation is that POH is a one-way protocol, and TPS23881 only outputs 30W power to POH PD by default. If you need to output higher power, you need the host command.Does this mean that POH PD cannot be graded?

  • 0
    TI__Expert 3700 points

    Hi, 

    Thank you for your question. The PoE PSE applications engineering team is currently out of the office and will respond by Monday, 9/28. 

    Best Regards,

    Brett Colteaux

    PoE Product Marketing Engineer

  • 0
    TI__Genius 15685 points

    Hi user6251361,

    The PoH PD can be classified from class 0 to class 4 by BT PSEs, but if you need higher than 30W power, there's no way to classify through hardware classification. LLDP must be involved. This is true to all BT compliant PSEs. Thanks. 

    Best regards,

    Penny