Smart Unmanaged 16port Poe switch Standard Poe design Support reee802. 3af/at power supply standard, PD power intelligent detection, System level overload protection Stabilized power supply It supports 16124-core multi-mode stabilized voltage power supply. 100000 hours of trouble free and stable power suppl Ultra long distance transmission With network extension function, it can realze long-distance Poe of more than 250mPower supply and data transmission Video surveillance Support video monitoring level cache optimization Data guarantee Support key business area data assurance