This is a standalone media converter card kit with a 10GBase-T RJ-45 & SFP+ Slot. It includes the a media converter card and enclosure. The open SFPP port allows users to customize between the SR, LR, CWDM, DWDM, bidirectional, or etc. connections. It provides a cost effective conversion from 10GBase copper RJ-45 & SFP+, while extending your network reach beyond the 100m reach limitation of copper. This standalone media converter can also be used (without the enclosure) and housed in the rack's system for plug and play rack mount support. The media converters and network interface cards are 100% compliant for all of the networking needs. Now you have a cost effective solution to your network upgrade needs.