The fibre optic tensile strength standard, optical fibre compression load and fibre optic mechanical stress define critical limit values for installation: fibre optic cables withstand 600 to 2700 N tensile force during installation and 2000 N/10cm compression load depending on cable. The fibre optic tensile strength standard, optical fibre compression load and fibre optic mechanical stress define critical limit values for installation: fibre optic cables withstand 600 to 2700 N tensile force during installation and 2000 N/10cm compression load depending on cable. As environments are becoming increasingly harsh, the ability of optical fiber cable to withstand such environments is of the utmost importance to outside plant users. Laboratory accelerated aging environments have long been used as a measure to predict field performance of optical fiber and cables'. Nowadays, optical communications are the most requested and preferred telecommunication technology, due to its large bandwidth and low propagation attenuation, when compared with the electric transmission lines. Besides these advantages, the use of optical fibers often represents for the telecom. Fiber design and transmission technology have collaboratively evolved to increase bandwidth. Dig-ups dominate! Cablers have very little influence on the majority of causes of cable field failures. While the glass fibers inside are fragile, modern fiber cables are engineered to withstand crushing forces, extreme temperatures, and even rodent attacks—making them vital for. These cables are designed with stronger materials, protective jackets, strength members, and construction features that help protect the optical fibers inside.