Convert SMPTE 311M hybrid fiber cables to Neutrik opticalCON DUO fiber cables with these robust in-line adapters. Converting SMPTE Hybrid cables to conventional fiber cables lowers the cable cost and increases the distance for reliable camera connections. Extremely durable extruded aluminum housing for harsh production environments with fiber connectors recessed to prevent damage. Square design to prevent rolling. Dust covers included. Perfect for sports broadcasting, stadiums & more. SMPTE 311M to Neutrik opticalCON DUO bulkhead standard LC fiber connector adapters. For use with conventional dual LC cables or with heavy duty opticalCON 2-channel cables.