Why Need Fiber Splice Closure in FTTA Projects

Fiber splice closures are a fundamental part of FTTA projects. They connect multiple optical cables and provide full protection in hard outdoor environment.
splice closure
Table of Contents

In today’s rapidly evolving communication networks, from the fiber broadband in your home to the mobile signals powering your phone, everything relies on robust optical communication technology.

Ensuring that optical signals reach every corner of the world accurately and safely is paramount, and that’s where advancements in communication equipment, like fiber splice closure.

The Importance of Fiber Splice Closure

You might not see them, but fiber splice closures are a fundamental part of optical cable line projects. They connect multiple optical cables and provide full protection for the fiber joints.

If a splice closure is damaged or compromised by weather conditions, like water ingress, the fibers inside are at risk. For instance, water seepage can lead to freezing at low temperatures, directly impacting the performance of the optical fibers.

Most issues with communication lines are often traced back to the quality of the splice closures. They must withstand harsh weather, thermal expansion and contraction, and maintain their sealing integrity. That’s why a top-notch quality splice closure is non-negotiable. It should be:

  1. Resistant to extreme temperatures, with impact resistance reaching IK10+ levels.
  2. Watertight, meeting the highest standard of IP68 protection grade.
  3. Highly sealed and insulated, withstanding alkali and salt corrosion, aging, and rugged outdoor environments.

Today’s market standard demands splice closures made of engineering plastic capable of a minimum 20-year lifecycle.

splice closure

Composition Introducing

The seal of a fiber splice closure is crucial for the safety and performance of the optical fibers within. Sealing methods include mechanical, heat shrink, breathable types, and gels.

These closures are versatile, with installation options like wall-mounting, aerial, duct, or buried.

Components of a fiber splice closure include:

  • The outer shell for protection.
  • Internal structural support.
  • Sealing elements.
  • Fiber splice trays for fiber management.
splice closure

Proper fiber management inside the closure is critical for flexible routing and ensuring signal transmission is unimpeded.

Types of Fiber Splice Closures

The market has evolved various styles of splice closures, such as cap-type, horizontal, and flip-page designs, each offering convenient cable entry points and ease of use.

The flip-page style, for example, opens as easily as flipping a book page and uses a buckle-type enclosure for tool-free access, reducing closure packaging time by 80%, thus enhancing the efficiency of construction work.

splice closure

Additionally, the shell can fit with a valve for inflation and pressure testing, and adequate space inside the closure is necessary for fiber connectors and excess fiber storage, protecting fiber joints from internal damage.

About Fibconet
Fibconet is an expert in the field of optical communications, with extensive experience in designing and manufacturing products for FTTA projects.

splice closure

If you’re in need of a fiber splice closure, contact us. We will provide you with solutions that ensure longevity and reliability for your optical communication needs.

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