Fiber optic infrastructure for campus and cloud
Test equipment and cabling solutions

Active Optical Cables Lightwave Online

Browse technical resources about fiber optic infrastructure for campus networks, cloud data centers, and urban surveillance.

  • Aerial optical fiber cables do not require steel strands

    Aerial optical fiber cables do not require steel strands

    ADSS (All-Dielectric Self-Supporting) — a standalone, nonconductive jacketed cable that carries its own weight between poles without a supporting steel strand. ADSS is used where electrical isolation is needed (near power lines) because it has no metallic messenger. The steel messenger acts as a structure that supports the weight of the fiber. Steel messenger strand consists. Deploying fiber above ground on poles or towers removes the need for underground digging and is particularly useful when the ground is uneven, rocky or both. Aerial optical cables are available in a variety of designs to suit every overhead application.


  • Protection against electrical faults in overhead optical cables

    Protection against electrical faults in overhead optical cables

    OPGW cables serve a dual purpose in OHTL infrastructure. Positioned at the top of transmission towers, they act as grounding wires, providing protection against lightning strikes and electrical faults. Protection of MV overhead lines is usually achieved by overcurrent relays (50; 50N; 51; 51N; 67; 67N). As global demand for reliable power transmission continues to grow, innovative solutions like Optical Ground Wire (OPGW) cable systems are playing a pivotal role in modernizing Overhead Transmission Lines (OHTL). Overhead Lines with Fiber Optical Ground Wires (OPGW) have become a key component in these networks, supporting reliable line protection and high speed data. OPGW is primarily used by the electric utility industry, placed in the secure topmost position of the transmission line where it “shields” the all-important conductors from lightning while providing a telecommunications path for internal as well as third party communications. Wildlife Interference: Birds and animals causing disruptions, such as perching in a way that interferes with.

    [PDF Version]
  • How deep should cables and optical fibers be buried

    How deep should cables and optical fibers be buried

    Bury cables from 12-36 inches (or 30-90 cm) deep. Where plant life, sidewalks, and other utilities already disrupt earth, it's safer to bury at as little as 24 inches or 60 cm, using protective conduits to limit the likelihood of damaged cables by inexperienced maintenance or. Bury cables from 12-36 inches (or 30-90 cm) deep. However, simply hitting this depth isn't enough to guarantee your network survives. Factors like the. Depths are established based on principles of protecting cables from physical impact and dispersing adverse weather effects should they encounter water, frozen temps, etc. Shallower depths are permissible when individual lengths are placed within conduits. This guide provides a comprehensive overview of industry. A critical aspect of deploying these cables is determining their burial depth, which ensures protection from environmental hazards, human activity, and regulatory compliance. This comprehensive guide examines key factors influencing ideal burial.

    [PDF Version]
  • Three major characteristics of optical fiber cables

    Three major characteristics of optical fiber cables

    Optical fiber consists of a and a layer, selected for due to the difference in the between the two. In practical fibers, the cladding is usually coated with a layer of or. This coating protects the fiber from damage but does not contribute to its properties. Individual coated fibers (or fibers formed into ribbons or bundles) then ha.


    FAQs about Three major characteristics of optical fiber cables

    What is a fiber optic cable connector?

    A fiber optic cable connector is a device that connects two fiber optic cables together. It allows light signals to travel seamlessly between the c...

    What are the 3 types of fiber optic cable?

    The three main types of fiber optic cables are Multimode fiber, Single-mode fiber and Plastic optical fiber.

    What is fibre optic cable?

    A fiber optic cable is a network cable that transmits information as light pulses through strands of fiber made of glass or plastic.

  • Can non-standard optical cables be used as electrical cables

    Can non-standard optical cables be used as electrical cables

    Conductive optical fiber cables aren't permitted to occupy a cable tray or raceway with electric light, power or Class 1 circuits [770. 1 The requirements of Pt 6, Ch 2, 11. 16 Joints and branch circuits in cable systems apply to all electric and optical fibre cables for fixed wiring unless otherwise exempted. 17 Busbar trunking systems (bustrunks) apply to busbar. requirements in Article 800. Different types of cables have different characteristics and, as such, are subject to specific directives or regulations. Note that two exceptions exist.


  • How to suspend optical fiber cables in a flexible manner

    How to suspend optical fiber cables in a flexible manner

    An ADSS suspension clamp is installed to protect the cable from bending in straight sections of the routing path. These solutions offer the flexibility to accommodate your specific needs and ensure that your fiber cables are properly protected and routed. Very easy to install - no tools are needed. They also limit the angle of the. Answer: Proper cable management protects the fiber optic cables from damage, making them more reliable, and less likely to face issues like signal loss. A strong optical fiber management system will provide not only strong bend radius protection, and cable routing paths but cable accessibility and protection to the. The All-Dielectric Self-Supporting (ADSS) structure of this cable has been adopted by power utilities, telecom service providers, and internet providers. Their design enables the use of no metallic tools, for example, gloves, during installation.

    [PDF Version]
  • Direct-buried optical fiber communication cables and buried 35KV

    Direct-buried optical fiber communication cables and buried 35KV

    Explore direct buried fiber optic cable types including anti-rodent, fire-resistant, and all-dielectric designs. Learn about GYFTA53, GYFY53, GYFZS53, and GYTS53 models for underground installation. Ideal for telecom networks in harsh environments. Note that Recommendation ITU-T L. First, in order to demonstrate sufficient performance of an. In the absence of duct infrastructure, cables can be buried directly into the ground in a trench or using a vibratory plow. Already Know What You Are Looking For? Already have your cable in mind? Visit all our outdoor cables here. The most commonly-deployed outdoor cable design, with fiber. Cables suitable for outdoor use, direct burial and has full rodent protection. It attains its mechanical robustness and functional performance through its corrugated steel tape (CST) reinforcement.

    [PDF Version]
  • Zimbabwe manufactures optical fiber cables for communications

    Zimbabwe manufactures optical fiber cables for communications

    CAFCA is the only cable manufacturing company in Zimbabwe. It was established in 1947 and is listed on the Zimbabwe Stock Exchange and Johannesburg Stock Exchange. CAFCA is part of CBi Electric African Cables (RSA), which in turn is owned by Reunert Limited (RSA). Last updated Jul 2026 Unlock the full database with advanced filters and visible emails inside Data Hub — Free Trial available. No credit card required Search results of Top 24 Cabling and Fibre Optics Companies in. Telecontract is a prominent telecommunications service provider in Zimbabwe, with a strong focus on fiber optic solutions. Their extensive fiber optic infrastructure enables them to deliver innovative and ultra-fast broadband communication services, catering to diverse customer needs. Our telecom solutions are trusted by ISPs, network contractors, and government agencies involved in national connectivity. Fibre optic cables consist of thin glass threads, each capable of transmitting digital data modulated into light waves.

    [PDF Version]

More industry information

Contact Us

We Look Forward to Working with You

Contact Information

Phone +27 73 849 2156
Address 25 Riebeek Street, Cape Town, 8001, South Africa

Send an Inquiry