This is an industrial media converter that converts 1 10/100Base-TX(RJ-45) to 1 Open SFP Port . This provides a cost effective conversion from 10/100Base-TX(RJ-45) to 100Base-X fiber, while extending the network reach beyond the 100m reach limitation of copper. This industrial grade product includes a terminal block and does not come with a power plug. Our media converters and network interface cards are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs.