MM DUPLEX 62.5/125 um, ST-ST, 3 meter * ICC Multimode Duplex Fiber Optic Jumpers utilize OFNR riser grade 1 or 2 fiber 62.5/125 micron or 50/125 micron multimode cable which meets UL 1666 requirements * Multi-mode ST and Multi-Mode SC Connectors have Ceramic Ferrules for Precision and durability. Tested fir a Naxunyn if 0.5dB Attenuation * Available in 1,3, and 5 meter lengths