This is a standalone media converter card kit, which includes a media converter card and enclosure. This is a 10 G OEO converter with SFP+ & XFP slots. It provides a connection between fiber to fiber 10 Gbps Ethernet equipment, and functions as a fiber mode converter, or as a fiber repeater for long distance transmission. The open XFP port and open SFPP port allow users to customize between the SR, LR, CWDM, DWDM, bidirectional, or etc. connections. This can be used in telecommunication rooms, R&D laboratory, data center, or other network uses.