Fiber cores: Simplex, duplex Fiber diameter(mm): 0.9, 2.0, 3.0 Fiber length; User-defined MU/APC Fiber Optic Patch Cord 100% tested before shipment Order guide. Fiber cores: Simplex, duplex Fiber diameter(mm): Φ 0.9, &2.0, Φ 3.0 Fiber length; User-defined Fiber type; Singlemode(G. 652, G655), multimode(50/125)/(62.5/125) Interface type PC, UPC, APC Connector type SC, FC, LC, ST, MU, MTRJ, DIN, D4 ...