Access mode: 10/100Mbps Standard:IEEE802.3 10Base-T Ethernet,IEEE802.3u,100Base-TX/FX Fast Ethernet, IEEE802.3x Flow control,IEEE802.1q VLAN,IEEE802.1p QoS,IEEE802.1d Spanning Tree Wavelength:850nm/1310nm/1550nm Transmission distance: Dual-fiber multi-mode: 2Km; dual-fiber single-mode: 25/40/60/80/100/120Km; single-fiber single-mode: 25/40/60/80/100Km Category-5 twisted pair: 100m Port: One RJ45 connector, connected to STP/UTP category-5 twisted pair One fiber port: Multi-mode - SC or ST (fiber size:50,62.5/125um) Single mode - SC/FC fiber port (fiber size: 9/125um) Single-fiber single-mode - SC/FC fiber port (fiber size: 9/125um) Conversion mode:Medium conversion, storing and forwarding MAC: address table:I K Buffer space:1Mbit Flow control:Full duplex state: flow control; half duplex state: back pressure mode Delay: 9.6us Bit error rate:<1/1000000000 MTBF:100,000 hours LED:POWER (power), FX LINK/ACT (fiber connection/action) FDX (FX full duplex mode), FX100 (Fiber, with a transmission rate of 100M) TP1/2/3/4 LINK/ACT (1/2/3/4-port twisted pairs connection action) TP1/2/3/4100 (1/2/3/4-port twisted pairs, with a transmission rate of 100M) Power:DC5V/1A (external) Power consumption:3.5W Operating temperature:-10~55篊 Operating humidity:5%~90% Storage temperature:-40~70篊 Storage humidity:5%~90% (non-condensing) Dimensions:26mm(Height)*70mm(Width)*98mm(Depth) (external power)