ADSS (All-Dielectric Self-Supporting) fiber cable is a crucial component in modern telecommunications infrastructure. It offers numerous advantages in terms of installation, maintenance, and performance. This article will delve into the structure of ADSS fiber cable, the accessories required for its installation, and the scenarios in which it is preferred.
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Structure of ADSS Fiber Cable
ADSS fiber cable consists of several layers designed to provide strength, protection, and insulation without the need for a metallic support or messenger wire. The typical structure includes,
Optical Fibers: These are the core components of the cable, carrying the data signals over long distances. They are typically made of glass or plastic and are arranged in a tight buffer to protect against environmental factors.
Strength Member: The strength member provides mechanical support to the cable. It is usually made of aramid yarns (such as Kevlar) or fiberglass rods, ensuring the cable can withstand tension and bending during installation and operation.
Water-Blocking Material: ADSS cables are designed to be water-resistant. Water-blocking materials, such as water-swellable tapes or gels, are applied to prevent water ingress, which could degrade the optical fibers.
Dielectric Jacket: Unlike traditional cables that use metallic materials for strength, ADSS cables feature a dielectric jacket made of materials like polyethylene (PE) or polyvinyl chloride (PVC). This jacket provides insulation and protection against environmental factors like UV radiation and extreme temperatures.
Single Protector ADSS
Double Protector ADSS
Installation Accessories
Several accessories are essential for the installation of ADSS fiber cable
Suspension Hardware: This includes brackets, grips, and suspension clamps used to attach the cable to poles, towers, or other support structures.
Preformed Line Products (PLP): PLP components, such as dead-ends and guy grips, provide additional support and tension relief at termination points and bends.
Cable Pulling Equipment: Tools like cable pullers, tensioners, and rollers are necessary for safely pulling the cable along its route without causing damage.
Connectors and Splicing Equipment: Connectors and splicing equipment are required for terminating and joining optical fibers, ensuring seamless connectivity throughout the network.
When to Choose ADSS Fiber Cable and Why?
ADSS fiber cable is preferred in several scenarios due to its unique characteristics,
Aerial Installations: ADSS cables are specifically designed for aerial installations, where traditional metallic support structures may be impractical or unavailable. They can be installed on existing power lines or telecommunication poles without the need for additional support hardware.
Long-Span Applications: ADSS cables excel in long-span applications, such as across rivers, highways, or rugged terrain, where traditional cables would require costly support structures or underground installation.
High-Voltage Environments: The dielectric nature of ADSS cables makes them ideal for high-voltage environments, such as near power lines or substations, where metallic cables pose a risk of electrical interference or corrosion.
Low Maintenance: Compared to traditional metallic cables, ADSS cables require minimal maintenance due to their robust design and resistance to environmental factors like moisture and corrosion.
ADSS fiber cable offers a versatile and reliable solution for aerial telecommunications infrastructure, with its unique structure, installation accessories, and suitability for various applications making it a preferred choice in many scenarios.
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Tags : ADSS fiber cable, outdoor fiber cable, Aerial Fiber Cable
ADSS (All-dielectric Self-supporting) optical fibre cable is atype of self-supporting aerial fiber optic cable designed for aerial installation and deployment and is suitable for various outdoor applications. This thorough overview will cover the definition, structure, benefits, and applications of ADSS fiber cables.
All-dielectric self-supporting optic cable is another name for ADSS fiber optic cable. There are two modes in optical fiber; single-mode and multimode fiber.
The self-supporting type indicates that the optic cable’s reinforcing member can withstand its weight and external load, has high mechanical strength, and can withstand the strong electric environment’s impact.
A comprehensive transmission circuit infrastructure with high-reliability performance is provided by the ADSS fiber optic cable system, which includes cables, suspension, dead-end, and termination enclosures.
In most cases, ADSS cable will provide an efficient and optimal solution for aerial cabling or outside plant (OSP) deployments.However, the most remarkable advantages of optical fibre are:
ADSS cable structures are classified into two types of optical fibre:
1. Central Tube Design
The fiber network in this design is placed in a PBT loose tube that is filled with water-blocking material. Then, depending on the desired tensile strength, they are wrapped in aramid yarn and extruded with a PE (110KV electric field strength) or AT (100KV electric field strength) sheath. Of the two fibre cable types, thisstructure has a small diameter and is light in weight, but it has limited lengths.
Central Tube Design
2. Stranded Structure Design
In a stranded structure design, the water-blocking grease and inner optical fibers are added to the loose fiber tube, and different loose tubes are coiled around the central reinforcement (usually FRP). The rest of the fiber optic wire is essentially the same as the central tube structure.
Between both fiber optic cable types, the lattercan produce a longer fibre length. Despite its large diameter and weight, an ADSS fiber optic cable with this structure is better suited for long-distance applications.
Stranded Structure Design
ADSS fiber optic cable or types of OFC cable is a self-supporting fibre network cable that does not require any support when moving power from one location to another. These cables, while self-supporting, are typically installed on utility poles and power lines with the help of a fiber cable connector. Among ADSS fibre optic installation accessories are:
ADSS fibre anchoring clamps can be conveniently utilised during fiber optic cable installation as individual cable dead-end clamps at end poles or as an intermediate (double dead-end) clamp.
ADSS cable was originally derived from military lightweight, rugged deployable (LRD) fiber wires. The advantages of fibre optic cable are many.
ADSS fibre optic cable is now used in aerial installations for short-span, typically on roadside power distribution poles, thanks to continuous improvements in technology such as fiber cable internet. Because it is non-metallic, the ADSS cable is ideal for applications near high-voltage power distribution lines, for which it has become a standard.
Circuits up to 100 km long are possible without repeaters using single-mode fibre and light wavelengths of nm or nm. ADSS OFC cable was typically used in 48 and 96 cores.
A typical ADSS fibre optic network cabling scenario.
ADSS fibre cables provide an optimal solution for a wider range of fiber counts and span lengths, therefore increasing the application of optic fibre in aerial cabling system designers in telecommunications, private network groups, etc.
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