NetKey® Fibre optic patchcord with single-mode (OS2) fibre. NetKey® Fibre optic patchcords include duplex LC connectors on both ends include simplex LC on one end. Patchcord meet requirements of TIA/EIA-568-C.3-1. The fibre connector is FOCIS compliant or compatible and meets the requirements of TIA/EIA-455-21A. Quality control reference label provides lifetime traceability of test data. Provide interconnect and cross-connect of applications in entrance facilities, telecommunications rooms, data centres and at the desk. Support network applications to interconnect pre-terminated cassettes in main distribution, horizontal distribution and equipment distribution areas. Riser rated patch cords support installations that require this flame rating in specific environments.