This guide provides a complete installation process for armored fiber optic cords, explaining each step from routing and pulling to stripping, cleaning, and testing. During installation, all curvatures should be smooth. Turn-backs and all sharp changes of direction. Installing underground fiber optic cables is critical to establishing high speed internet infrastructure that delivers reliable connectivity for businesses nationwide. This document covers both end preparation and mid-span access. It is not all inclusive and is. ble may extend of the reel and beco ssible safety hazard and/or damaging the cable. Fiber optic cable is sensitive to xcessive pulling, bending.