duplex fiber optic 1.Low insertion&back reflection loss 2.Good ... Superior qualified standard PC, APC, UPC, SPC polishing;2) 100% optic test: Insertion Loss: ≤0.3 (PC); ≤0.2 (APC ... or 62.5125) fiber available;6) FC, SC, LC, MU, ST, MT-RJ, etc connector7) Simplex and duplex connector available;8) Good ... SC ,FC ,LC ,ST ,MTRJ ,DIN ,D4,MU Fiber Optic Jumpers Features: 1.Telcordia’s GR-326-Core, IEC Standard2 ...