ADSS Fiber Optic Cable: What You Should Know

ADSS Fiber Optic Cable: What You Should Know

ADSS (All-dielectric Self-supporting) optical fibre cable is a type of self-supporting aerial fiber optic cable designed for aerial installation and deployment, suitable for a variety of outdoor applications. This comprehensive document will delve into the definition, structure, advantages, and applications of ADSS fiber cables.

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What is an ADSS Fiber Optic Cable?

ADSS fiber optic cable, also known as all-dielectric self-supporting optic cable, includes two primary types of optical fiber: single-mode and multimode fiber.

The term "self-supporting" indicates that the optic cable's reinforcing component can support its own weight and external loads, providing high mechanical strength and resilience against harsh electrical environments.

The ADSS fiber optic cable system offers a reliable transmission circuit infrastructure consisting of cables, suspension, dead-end units, and termination enclosures.

What are the benefits of an ADSS cable?

ADSS cables frequently serve as an efficient and optimal choice for aerial cabling or outside plant (OSP) implementations. The primary advantages of optical fiber include:

• Dependability with a low fiber cable price.
• A fiber optic cable strong enough to permit installation spans of up to 700 meters between support towers.
• ADSS cable is lightweight and has a small diameter, which minimizes the stress on tower structures from wind, ice, and cable weight.
• Design allows for low optical loss retention throughout the cable's lifecycle, keeping internal glass optical fibers free from strain.
• The jacket protects the fibers from moisture.
• It shields the polymer strength components from ultraviolet (UV) light damage.
• It supports circuits up to 100 km long without repeaters when utilizing single-mode fiber cables and light wavelengths.
• A single cable can hold as many as 144 fibers.

Structures of ADSS Cable

The structures of ADSS cable can be classified into two types of optical fiber:

1. Central Tube Design

In this design, the fiber network is housed within a PBT loose tube filled with water-blocking elements. Aramid yarn provides the tensile strength before being encased within a PE (110kV electric field strength) or AT (100kV electric field strength) sheath. This structure is lightweight with a small diameter but has limited lengths.

2. Stranded Structure Design

This design incorporates water-blocking grease and optical fibers within distinct loose tubes that swirl around a central reinforcement (typically FRP). Aside from its larger diameter and weight, this structure facilitates longer fiber lengths and is better suited for extensive applications.

ADSS Cable Installation

ADSS fiber optic cable functions as a self-supporting fiber network cable, eliminating the need for additional support stems when transferring power. These cables are usually mounted on utility poles and power lines, utilizing fiber cable connectors during installation. Accessories employed in ADSS fiber optic installation include:

• Tension assembly clips,
• Optical distribution frames (ODFs) or optical termination boxes (OTBs),
• Suspension assembly clips,
• Outdoor junction boxes (closures),
• Optical termination boxes,
• And other related tools.

ADSS fibre anchoring clamps can serve as individual cable dead-end clamps at terminal poles or as intermediate (double dead-end) clamps during the installation phase.

Applications of ADSS cables

Initially inspired by military lightweight rugged deployable (LRD) fiber wires, ADSS fiber optic cable has become increasingly utilized in aerial setups, particularly on roadside power distribution poles, thanks to advancements in technology like fiber cable internet. Being non-metallic, the ADSS cable proves to be ideal for installation near high-voltage power distribution lines, becoming a standard in such settings.

Circuits extending as far as 100 km can operate without repeaters utilizing single-mode fiber and specific light wavelengths. ADSS OFC cable was typically designed for 48 and 96 cores.

To conclude, ADSS fiber cables offer an ideal solution for varying fiber counts and span lengths, enhancing the integration of optic fibre in aerial cabling system designs for telecommunications, private networks, and more.

STL provides superior quality ADSS fiber cables, perfectly suited for use in distribution and transmission environments as they merge convenience and efficiency.