This is a standalone media converter card kit, which includes the a media converter card and enclosure. This is a 10G OEO converter (3R Repeater) with 2 open XFP slots. It provides a connection between fiber to fiber 10Gbps ethernet equipment, and functions as a fiber mode converter, or as a fiber repeater for long distance transmission. The open XFP port slots 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. 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. 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.This is a standalone media converter card kit, which includes the a media converter card and enclosure. This is a 10G OEO converter (3R Repeater) with 2 open XFP slots. It provides a connection between fiber to fiber 10Gbps ethernet equipment, and functions as a fiber mode converter, or as a fiber repeater for long distance transmission. The open XFP port slots 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. 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. 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.