Two D-Link media converters for fiber optic connections. Up to 4 sets are available. - Brand: D-Link - Model: Media Converter - Connection Ports: RJ-45, SC connector - Quantity: Set of 2 - Application: Fiber optic connection ◾️Features Hot-swappable The DMC-1910T can be used with the DMC-1910R or installed in the DMC-1000. The chassis and each module are hot-swappable, allowing modules to be installed and removed without stopping the system. Details https://www.dlink-jp.com/product/media-converter/1000m/1000m/dmc-1910t.html