This is an unmanaged two port RJ-45 to two port SFP switch. It is designed with a switch controller and buffer memory that connects two types of media. The UTP port supports all 10/100/1000 Mbps RJ-45 half and full duplex modules, and the SFP port supports only 1000Mbps and full-duplex modules. This can extend your fiber footprint or convert fiber runs from short multi-mode links to extended single-mode links. Our media converters and switches are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. With our certification test program, we can guarantee your product will work right the first time.This is an unmanaged two port RJ-45 to two port SFP switch. It is designed with a switch controller and buffer memory that connects two types of media. The UTP port supports all 10/100/1000 Mbps RJ-45 half and full duplex modules, and the SFP port supports only 1000Mbps and full-duplex modules. This can extend your fiber footprint or convert fiber runs from short multi-mode links to extended single-mode links. Our media converters and switches are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. With our certification test program, we can guarantee your product will work right the first time.