๐ŸŒ From OLT to ONU/ONT — understanding the FTTH network journey

A reliable FTTH network is built through multiple connection points, and every component plays an important role in delivering stable fiber connectivity.

๐Ÿ”น OLT — Manages the PON system and transmits optical signals
๐Ÿ”น ODF — Provides fiber termination, patching, and management
๐Ÿ”น Splice Closure — Protects and manages feeder cable splicing in the field
๐Ÿ”น OCC (with PLC Splitter) — Distributes optical signals into multiple fiber paths
๐Ÿ”น FAT — The final fiber access point before subscriber premises
๐Ÿ”น ONU/ONT — Converts optical signals into Internet, voice, and TV services

From feeder cable to distribution cable and drop cable, these stages create a complete fiber connection from the central office to the subscriber.

At Sun Telecom, we provide comprehensive FTTx solutions covering the complete network chain — from OLT-side equipment and optical distribution products to last-mile access devices — helping operators, ISPs, and contractors simplify sourcing and ensure product compatibility.

๐Ÿ“ฉ Planning your next FTTH rollout? Contact us to explore the right end-to-end solution for your network.

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Any needs, WhatsApp us:
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Sun Telecom wishes all our valued customers and everyone a joyful Christmas and a prosperous year ahead! Thank you for your continued trust and support. We look forward to strengthening our partnerships and achieving even greater success together in the coming year.
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Overhead Fiber Optic Cable: Installation Method and Requirement

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Overhead fiber optic cable is suitable for long-distance lines and dedicated network optical cable lines or some local special sections. It provides high tensile strength, good performance of mechanical and temperature, and low-cost installation. In this article, you’ll be learning about overhead fiber optic cable and its installation method and requirement. What is Overhead Fiber Optic Cable? Overhead fiber optic cable also known as aerial fiber optic cable is fiber optic cable installed on poles. The overhead fiber optic cable uses the original overhead wire and pole infrastructure. This overhead laying method can save construction costs and shorten the construction period. Overhead fiber optic cable is mainly used for secondary trunk lines, core networks, metropolitan area networks (MAN), access networks, FTTH feeders and distribution and is suitable for areas with flat terrain and small undulations. In addition, overhead fiber optic cable is vulnerable to typhoons, ice, floods, ...
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What Do You Need to Know About Distribution Fiber Optic Cable

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Cable with multiple fibers is widely applied to high-density connectivity indoor and outdoor installations, well distribution cable is the typically used type. Distribution cable is a tight buffered design and provides high density connectivity, easy, economical termination to satisfy the diverse requirements existing in high-performance fiber optic applications. Distribution Cable Structure Distribution fiber optic cable uses ฯ†900um tight buffer fibers as an optical communication medium and aramid yarn strength member. The cable is compliant with a PVC or LSZH jacket. Generally, distribution cable is available in fiber counts ranging from 2 to 144 fibers. According to different application requirements, this cable is usually plenum and riser for flame resistance, as well as in unitized and non-unitized constructions that fit a wide array of environments. Distribution Cable Features and Benefits Distribution cable has excellent stripping performance of tight buffer fiber, aramid y...
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