Welcome to the store! 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 functions to support speed adaptation and 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 faulty poles on each port of the twisted pair. Item Type: Ethernet Fiber Switch Material: Aluminum Alloy + Circuit Board Model: TBC-MC3412ES20A Standard Protocol: IEEE 802.3, IEEE 802.3u, IEEE 802.3d, IEEE 802.3Q Bandwidth: Electrical port: 2x10/100M Optical port: 155M Working Mode: Full Duplex/Half Duplex, with Full Duplex/Half Duplex Auto-Negotiation Function Interface: Electrical 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, 62.5/125μm (up to 2km) Power: ≤5W 1 x Ethernet Fiber Switch 1 x Adapter 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!