Features: 1.Can convert 2 independent 10/100Base-TX twisted pair electrical signals and 1 independent 100Base-FX optical signal to each other 2.Store and forward capabilities to support the rate adaptation and the protocol conversion. 3.The network port supports full?duplex, half?duplex auto?adaptation and flow control. 4.Support 12K effective media access control address table, support media access control address automatic learning and aging. 5.Automatically detect and correct incorrect poles at each port of the twisted pair. specification:Item Type: Ethernet Fiber Switch Material: Aluminium Alloy + Printed Circuit Board Model: TBC-MC3412ES20A Standard protocol: IEEE 802.3, IEEE 802.3u, IEEE 802.3d, IEEE 802.3Q Band Width: Electric port: 2x10/100M Optical port: 155M Working Mode: Full Duplex/Half Duplex, with Full Duplex/Half Duplex Auto-Negotiation Function Interface: Electric Port: RJ45 Optical Port: SC/FC/ST LED Indicator: for FRX / TRX / PWR / FDX UTP Network Cable: Cat5 UTP (Within 100m) Fiber Type: 9/125, (up to 20-100km) 50/125, 62.5/125m (up to 2km) Power: 5W PackageList:1 xEthernet Fiber Switch 1 x Plug 1 x User Manual