Fttx Cables - Enhanced Performance Fibre Units EPFU Single Tube Fiber numberFiber typeFiber diameterCable diameterDrum length 2 1x2G657A1245 μm1,20 mm 4 km 4 1x4G657A1245 μm1,20 mm4 km 6 1x6G657A1245 μm1,50 mm4 km 8 1x8G657A1245 μm1,80 mm4 km 12 1x12G657A1245 μm1,80 mm4 km Technical specifications Download .PDF file