● 16× PoE+ GbE + 2× Uplink GbE + 2× SFP Slots● Comply with IEEE802.3, IEEE802.3u, IEEE802.3ab Standard● Extend transmission distance to 250 m for ports 9~16 in Extend mode● POE priority from ports 1~16 enabled by default● Watchdog automatically reboots unresponsive clients connected toports 1~16 to improve system stability under Extend mode● Flow control full-duplex adopts IEEE 802.3x standard, half-duplexadopts Back pressure standard● Panel indicator monitors status and helps failure analysis● Display PoE budget usage with PoE status light● Display PoE powering status at each port● Surge Protection: Max 4KV common protection● ESD Preotcion: Max 8KV air / 6KV contact protection