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By goodvin | 22 May 2023 | 2 Comments

FTTH Networks and Drop Fiber Optic Cable: Everything You Need to Know

FTTH Networks and Drop Fiber Optic Cable: Everything You Need to Know

Fiber to the home (FTTH) networks have been gaining popularity in recent years due to their high-speed data transmission and reliability. They are commonly installed in many areas, covering indoor sections, outdoor sections, as well as the transition in between. To fulfill the cabling requirements from different areas, different types of fiber optic cables are well developed. In this article, we will focus on one of the most important components of the FTTH network – drop fiber optic cable.
What is Drop Fiber Optic Cable?
Drop fiber optic cable is a type of cable that forms the final external link between the subscriber and the feeder cable. As previously mentioned, it is located on the subscriber end to connect the terminal of a distribution cable to a subscriber’s premises. Typically, drop cables are small diameter, low fiber count cables with limited unsupported span lengths, which can be installed aerially, underground, or buried.
Drop Cable Types
Drop cables are available in many different types, depending on their cable structure. Here are three of the most commonly used ones:
Flat drop cable: This type of cable has a flat profile, making it ideal for running under or alongside carpets, baseboards, or moldings. It is lightweight and easy to handle, making it a popular choice for indoor installations.
Round drop cable: Round drop cable is a traditional cable that is commonly used in outdoor applications. It is easy to install and offers good protection against environmental factors such as moisture, rodents, and UV rays.
Figure-8 drop cable: Figure-8 drop cable is designed for aerial installation. It has a self-supporting structure, which eliminates the need for a separate messenger wire. This makes it an ideal choice for spanning across open spaces or attaching to poles.
Drop Cable Connectivity Method: Splice or Connector?
When it comes to the connectivity of drop fiber optic cables, there are two main methods - splice and connector. While splice offers better optical performance than connectors, it lacks operational flexibility. On the other hand, connectors provide an access point for network testing, which cannot be provided by splicing. Here are some factors to consider when choosing between the two:
Splice: Splicing is recommended for drop cables in places where no future fiber rearrangement is necessary, such as greenfield, new construction applications where the service provider can easily install all of the drop cables.
Connector: Connectors are a better choice when flexibility is needed in the fiber network. For example, when fault-finding or testing is required, or when additional cables need to be added to the network.
In summary, drop fiber optic cable is an essential component of the FTTH network. It serves as the final external link between the subscriber and the feeder cable. When choosing a drop cable, it is important to consider factors such as the cable structure and connectivity method. With the right cable and connectivity method, service providers can offer their customers a reliable, high-speed broadband service.


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