What is OSP Fiber Optic Cable?

OSP application

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1. What is OSP fiber optic cable?

Fiber optic cabling can be divided into OSP and ISP according to the engineering construction. OSP stands for outside plant, and OSP is an outdoor project, and similarly, ISP stands for inside plant and is an indoor project.

2. Types of OSP outside plant

Classification Advantages Disadvantages Applications
Aerial fiber optic cable low cost;

Short construction period;

Fewer restrictions on the construction environment

vulnerable to damage;

bad security

Suitable for mountainous, rural, and other areas, generally used for local relay network
Direct buried fiber optic cable not easy to be damaged; good security A large amount of engineering; high cost; not easy to expand Suitable for areas with flat terrain, generally used for long-distance backbone networks
Duct fiber optic cable Easy to expand; good security Limited construction environment Mainly used in cities and other areas with less space
Submarine fiber optic cable Suitable for transoceanic transmission, more secure Huge amount of work; very expensive International communication optical cable across the ocean
Power line aerial fiber optic cable Economical and fast Restricted by power grid topology; strong electrical environment damage; difficult to expand It is suitable for the installation of optical cables using existing towers in the power sector

direct buried cable duct fiber cable

3. OSP outside plant assembly

  • Main engineering materials: optical cables, splice boxes, patch panels, overhead poles, etc.
  • Construction equipment: air compressor, cable blowing machine, welding machine, etc.
  • Test instruments: OTDR, optical power meter, oscilloscope/spectrum analyzer, etc.
  • Maintenance equipment: cable detector, ground resistance tester, GPS, etc.

4. OSP outside plant application scenario

4.1 Duct application scenario

Cement duct: 3 holes, 4 holes, 6 holes


  • High strength
  • Heavy, 0.6m/piece
  • Rough wall, poor sealing

cement duct

PVC duct: PVC duct, PE subduct


  • Lightweight
  • Smooth inner wall
  • 6m/piece

PVC duct

HDPE pipe: HDPE pipe, Silicon-core inside


  • Low friction
  • Good sealing
  • Flexible
  • 2km/roll

HDPE pipe

Tube bundle: Micro pipe, Micro cable


  • Lightweight
  • Smaller diameter

tube bundle

4.2 Aerial application scenario

Aerial fiber optic cable: ADSS cable

ADSS cable features:

  • All Dielectric Self-Supporting
  • Non-metal component
  • Easy installation
  • Long spans
  • Customized available
  • Low cost networks

ADSS cabling:

  • Fast, one-step installation with attachment hardware
  • Without interrupting electrical service normally

adss cabling

ADSS cable areas:

  • On pole lines
  • On power lines
  • On street lighting poles
  • From building to building


Aerial fiber optic cable: Figure-8 cable

  • All tension is taken by steel messenger cable.
  • The fiber configuration remains stress-free.
  • Require a lot of care on grounding procedures when installed on pole lines.


Aerial fiber optic cable: OPGW (Optical fiber Ground Wire)

  • Ground wire
  • Optical fiber inside
  • Apply to the high-voltage grid

OPGW cable

4.3 Special barrier handling application scenario

Cross road: Pipe jacking

  • Minimal influence on traffic
  • Consideration of residents and the environment
    cross road-osp

Cross river: Bridge

  • Low cost
  • Easy to implement
    cross river-OSP

Cross river: HDD

  • Horizontal Directional Drilling

cross river-OSP

5. Summary

Bonelinks is an OSP optical communication product supplier. Our products cover optical splitters, optical fiber cables, optical patch cords, and optical fiber distribution frames, etc. The application of these products can form OSP outside plant solutions. Contact us if you want to know more.

Echo Huang

Echo Huang is an expert wordsmith and marketing professional at Bonelinks with more than 8 years of experience in high technology businesses – fiber optics, IoT, and telecommunication. She is very glad to share industry knowledge and communicate with others.

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