Telcordiaaas GR-326-Core, IEC Standard aa Green Production, RoHS Standard aa Excellent Polished ... , E2000, MU, MPO, MTRJ, D4,DIN, SMA, FDDI, ESCON etc.Fiber Mode: SM (single mode) G652D, G655, G657, MM (multimode); G651 ... .5/125, 10Gb/s 50/125)Other type products: plastic fiber optic