Tripp Lite"s 1-ft multimode duplex micron fiber optic LC/LC patch cable is manufactured from 62.5/125 zipcord fiber. The cable has LC connectors on each end, a PVC jacket and is FDDI and OFNR rated. Duplex multimode fiber is most commonly used in LAN applications where links are 10-ft. or less. Tripp Lite warrants this product to be free from defects in materials and workmanship for life.