Siemon interlocking aluminium armour indoor Tight buffer fiber cables are ideal for data centres, campus and building backbones as well as industrial applications. The interlocking armour cable is a robust aluminium armour design that provides higher compression crush strength, rodent resistance and increased security. Siemon interlocking armour fiber cables may be installed as an alternative to traditional fiber cables in plenum inner duct or conduit, providing a less expensive single-pull solution with estimated savings of 25-50% in materials and estimated labor savings up to 60%. Siemon fiber optic cables are offered in LightSystem and XGLO configurations supporting high-speed applications such as Gigabit Ethernet, 10 Gigabit Ethernet and Fiber Channel.