4*2.SG Base-X SFP, 8*10/100/1OOOBase-T

·Support ERPS ring, self-healing ring <20ms

·Support lOKJumbo Frame, 12M cache

·IPSO protection

·1OKV/1OKV surge protection for power, 6KV/4KV surge protection for Ethernet port

·Support DDM/ping/tracert and other test

. Support AF/AT/BT  (PoE/PoE+/PoE++)   mode. Support single port up to 90W,total output power is 240W