The fibers, either of single-mode or multi-mode fibers, are placed in a loose tube made of high modulus plastic. The tubes are filled with a water-resistant filling compound. A steel wire locates in the center of core as a metallic strength member.
The tubes (and fillers) are stranded around the strength member into a compact and circular cable core. After an aluminum polyethylene laminate (APL) moisture barrier is applied around the cable core, this part of cable accompanied with the stranded wires as the messenger wires with a polyethylene (PE) sheath to be Figure 8 structure. This kind of cable is specially applied for self-supporting aerial installation.
Features:
Accurate fiber excess length ensures good mechanical and temperature performance
High strength loose tube that is hydrolysis resistant and special tube filling compound ensure a critical protection of fiber
Different stranded wires are used to meet different span length
Applications:
For long haul telecommunication, metro area telecommunication network and access network application