Features/special features: Complies with ieee802.3 10base-t, &ieee802.3u 100base-tx standards 8 10/100mbps self-negotiable rj-45 ports; 1 uplink port Absolute separating technology, auto-separate port with troubles All ports support full duplex mode, support ieee802.3x full duplex flow control standard / half duplex back-pressure flow control Built-in 2m memory Support auto-negotiation technology, full/half duplex auto detection Built-in separate buffer to avoid lost of data package Store and forward Separately external dc power ensure stability of equipment Switch led indicator: 1 led (power) Port led indicator: 8 leds Power: dc7.5v/800a Operation temperature: 0 ~ 55 íµ Store temperature: -20 ~70 íµ Operation moisture: 10~90% Store moisture: 5~90% Approval: ulú¼culú¼tuvú¼ce Oem/odm packaging or generic retail packaging