Outdoor Fiber Optic Cable Product Features

A longitudinally wrapped water-blocking tape prevents longitudinal water ingress into the optical cable.
Two parallel steel wires ensure the optical cable's tensile strength.
Outdoor optical cables possess high tensile strength, feature a thick and robust protective layer, and are typically armored (i.e., encased in a metal sheath). Outdoor cables are primarily designed for interconnecting buildings and linking long-distance networks.
Generally speaking, the specific materials chosen for the fillers, strength members, and sheathing of outdoor optical cables vary depending on the application. For instance, when an outdoor cable is to be directly buried, an armored cable is the recommended choice; conversely, for aerial installations, a cable featuring a black plastic outer sheath reinforced with two or more strength members is often preferred.
Since outdoor optical cables are deployed in external environments, they must possess waterproofing capabilities. Typically, the outer sheath is constructed from PE material, while the internal structure is generally categorized into two types: central tube structures and stranded structures.
Visually, indoor optical cables typically feature an outer sheath made of yellow or orange PVC material, whereas outdoor cables utilize a black PE sheath. In terms of model designation, outdoor cables can often be identified by the presence of the letters "GY."
Outdoor Optical Cables: Characterized by a thick outer casing, they possess robust mechanical and environmental properties, including resistance to compression, corrosion, and tensile stress.
Indoor Optical Cables: Primarily designed for use within buildings, their key characteristic is flexibility, enabling them to be routed through confined spaces such as corners. Additionally, they feature external attributes such as fire resistance, flame retardancy, tensile strength, and pliability.
An outdoor optical cable serves as a communication medium for transmitting optical signals. It consists of a specific number of optical fibers arranged in a particular configuration to form a cable core, which is then encased in a protective sheath-sometimes with an additional outer protective layer applied.
Outdoor optical cables are primarily composed of optical fibers (glass strands as fine as human hair), protective plastic tubing, and a plastic outer jacket; they do not contain metals such as gold, silver, copper, or aluminum.