duplex fiber optic 1.Low insertion&back reflection loss 2.Good ... :1) Superior qualified standard PC, APC, UPC, SPC polishing;2) 100% optic test: Insertion Loss: ≤0.3 (PC); ≤0.2 ... table:fiber opticParameter & Specification Mode Single-mode ,Multi-mode Type FC,LC,SC,ST,MU,MTRJ,MPO,E2000 Polishing APC, ... :SC ,FC ,LC ,ST ,MTRJ ,DIN ,D4,MU Fiber Optic Jumpers Features: 1.Telcordia’s GR-326-Core, IEC Standard2 ...