What is a double-layer protected optical cable
Armored fiber cable is a type of fiber optic cable that has an extra layer of protection around the core of the cable to provide additional mechanical protection. The OS1 designation refers to the cable's optical specifications, specifically its attenuation characteristics. The cable jacket provides the first line of defense against the surrounding environment. It resists water entry while remaining inert to gases and liquids that the cable may be exposed to during its service life.
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