... 8 aerial fiber optic cable 2,SM G652D fiber 3,7*1.5mm messenger self supporting cable 4,OEM factory Fig 8 ... outer sheath, fig 8 type, the suspension line (1.2x3=3.6mm), 7 steel wires stranded together. G652D SM fiber, detailed specification ... weight, self-supporting ApplicationLong-distance communication, local trunk line, CATV & computer networks system GYTC8Y structure: