Detailed Product Description: 10/100/1000M GIGABIT, Auto-Adaptation Standard: IEEE802.3 10Base-T Ethernet, IEEE802.3u, 100Base-TX / FX fast Ethernet, IEEE802.3x flow control, IEEE802.1q, IEEE802.1p QoS, IEEE802.1d spanning tree Wavelength: multiplex 850/1, 310nm, simplex 1, 310/1, 550nm Distance: 220m (dual fiber (MM)) (fiber dimension: 62.5/125I?m) / 550m (fiber dimension: 50/125I?m), 10 / 20 / 40 / 60 / 80km (dual fiber (SM)), 10 / 20 / 40 / 60 / 80km (single fiber (SM)) Cat5: 100m Port: connecting with STP / UTP Cat5 (RJ45 connector), MM-SC or ST (optical connector) (fiber dimension: 50, 62.5 / 125I?m), SM-SC or FC (fiber dimension: 9 / 125I?m, single fiber SM-SC / FC (fiber dimension: 9 / 125I?m) Internal Power Supply and External Power Supply Optional