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What is Fiber Optic Splice Closure? (5 Points You Should Know)

The Basic Introduction of Fiber Optic Splice Closure

 

Fiber optic splice closure, also called fiber optic closure, plays an important role in fiber-optic communication. The fiber optic closure can be used in the branching and splicing of the backbone in fiber optic communication to protect inlet and outlet optic fibers. Fiber optic splice closure is usually strong and firm to help protect fibers and optics inside.

The fiber optic splice closure can connect multiple fiber optic cables simultaneously and has the function of distribution and switching. In addition, it can also optimize fiber optic communication lines by the built-in splitter.

Fiber optic splice closure is widely used in many fields such as telecommunication, electric power, and broadcasting. Such optic splice closure is designed to fit all types of splices and fibers.

 

Main Components of Fiber Optic Splice Closure

 

Support Frame

It is the main body of internal construction that can help support the whole device.

Fiber optic cable fixing device

This device is designed to fix the fiber optic cable and the base.  

Fiber optic placement device

It can sequentially store fiber optic splices and residual optic fibers. 

Optical fiber connectors protection device

It is placed in a shelter tray, and the device can be fixed with silicone. 

Seal of fiber optic cable and fiber optic splice closure

The junction of the fiber optic cable and fiber optic splice closure will be polished and cleaned, and then it will be pasted with aluminum foil. And then, the shrinkable heat tube will be added and shrunk to protect the whole device.

 

Types of Fiber Optic Splice Closure

 

According to the use of form:

  • Regular Fiber Optic Splice Closure
  • Photoelectric Composite Fiber Optic Splice Closure
  • Splitting Fiber Optic Splice Closure
 

According to product structure:

Fiber Optic Horizontal Splice Closure Fiber Optic Vertical Splice Closure  

According to the application scenario:

  • Overhead Fiber Optic Closure
  • Pipeline (Tunnel) Fiber Optic Closure
  • Direct Burial Fiber Optic Closure
 

According to the connection method:

  • Direct Connection
  • Branch Connection
 

According to the sealing method:

  • Mechanical Seals
  • Heat Shrink Seals
Mechanical SealsHeat Shrink Seals  

According to the capacity:

The fiber optic splice closure can be divided into different cores, such as 24 cores, 36 cores, 48 cores, 72 cores, 96 cores, 144 cores, and 288 cores, and you can choose the suitable one according to your own need.

What are fiber optic closures made of?

 

Fiber optic closures are mainly made of PP, PP+glass fiber, PC, and PC+ABS. These materials are a bit different from each other.

  • PP: Burning fast and easily; molten drops; yellow and blue flame; a smell of petroleum
  • ABS: Slow burning; no dripping; yellow flame; black smoke; shiny surface after burning; small and dense holes; a faint sweet smell
  • PC: Easy to extinguish; flame retardant; non-toxic; transparent; colorable; easy to scratch
 

These materials have their advantages and disadvantages. PP+glass fiber has excellent impact resistance, but it is a bit soft, and the surface is rough; PC has excellent electrical insulation, elongation, stability, and is resistant to chemical, heat, and low temperature, but it is not easy to process. In Southeast Asia and the Middle East, the fiber optic horizontal splice closure is usually made of PC, and the fiber optic vertical splice closure is made of PP+glass fiber.

The Function of Fiber Optic Splicing Closure

 

Fiber optic splicing closure can effectively protect fiber optic cables from the external environment such as humidity, too high or low temperature, termites, etc. It can also help store the remaining optical fibers. Fiber optic splicing closure has the following main functions:

 

Optical Function

The remaining fiber in the fiber optic splice box surrounds the fiber placement device, and it can still work well.

 

Sealing Function

The fiber optic splicing closure features a sealing function that makes the device resistant to water, dust, and impact.

Stephen Xie

Stephen Xie

Hello, I'm Stephen Xie, a sales representative at Hello Signal. I specialize in Passive Optical Components and Cabinet & Racks. I can recommend the most suitable products at competitive prices, ensuring worry-free service. Feel free to contact me with any questions.

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