Introduction Wiitek 10/100/1000M Fiber Ethernet Media Converter, 10/100/1000Base-T/TX to 1000Base-FX Gigabit Bridging Converter, Single Fiber BIDI SC, SM, 1310nm/1550nm 20km, 1 Pair(A&B) The non-managed fiber ethernet media converter is designed with a switch controller and buffer memory that connects two types segments operation smoothly. The converter can be used as standalone type or as card type to the 2U 19" converter rack-mount chassis for centralized power management. This 1000M Fiber Media Converter can give you economic solutions for media conversion between fiber and copper Ethernet. It provides single SC connector for your fiber optic cables and RJ45 for twisted pair UTP cable connection.The maximum extension is up to 20km over fiber. Features 1, Build-in efficient exchange kernel, Broadcasting filtration function, flow control, CRC error check; 2, Support SPANNING TREE to conduct fault-tolerant Network, Auto MDI/MDI-X; 3, Supports 10/100/1000Mbps full/half deplex self-adaptive transmission and auto-negotiations, easy upgrades; 4, Standard Protocol: IEEE 802.3 Ethernet Standard, IEEE 802.3u fast Ethernet Standard, IEEE802.3d Spanning Tree Standard; 5, Max transmission distance can be up to 20km; 6, Built-in power, DC5V 1A(default); 7, Standalone type can be installed into 14slot 2U Rack, built-in MAC address buffer space: 1K; 8, Hot-swap, high reliability.Inside the Carton Box: One Pair(A&B) Gigabit Ethernet SC Media Converter, 2 x Power Adapter, 1 x User Manual, 30 Days Free-returned, 3 years Product Warranty and Lifelong Technical Support. This 1000M Media Converter creates an economical Ethernet-fiber/copper-fiber link for connecting remote sub-networks to larger fiber optic networks/backbones;. Power Consumption below 3W, 2 sides Cooling holes and Metal Case for better heat dissipation, with US Standard Power Adapter DC5V 1A, Operating Temperature 0~70℃(32~150F), Complies with IEEE 802.3, IEEE 802.3u, IEEE802.3z, IEEE802.3ab, IEEE 802.3x Standards;. UTP Interface: Support 10/100/1000Mbps RJ45 connect Cat5,Cat6, Cat7 Networking Cable, Supports Full Duplex or Half Duplex, Support MDI/MDI-X auto crossover;. Optical Interface: 1000Mbps Single Fiber Bi-directional 1*9 Optical Module, Single Mode Fiber SMF, SC, Tx1310/Rx1550nm(A side), Tx1550/Rx1310nm(B side), up to 20 km (12.43 miles), One Pair;.