Figure 8 of the hybrid cable the suspension part is a 24AWG copper wire, and the optical cable part is jelly filled bundle tube, surrounded by aramid yarn reinforcing parts, and a layer of polyethylene (PE) or flame-retardant low smoke zero halogen polyolefin (LSZH) outer sheath is extruded on the outside.Two symmetrical FRP pieces are embedded inside the outer sheath.The maximum can reach 24 cores.