Our Loose Tube OSP cables feature fiber counts up to 576, compliance with EIA/TIA and REA/RUS PE-90, and are S-Z stranded for easy mid-span access. Acting as the backbone for most of todays fiber based systems, stranded fiber optic cables play a critical role in the high speed network. AFLs Non-Armored Loose Tube fiber optic cables are designed to provide high fiber counts with the flexibility and versatility required for todays most demanding installations.