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Splicing or terminating, which is more suitable for the installation of fiber optic cable in FTTH?

Fiber optic connection and fiber termination are two common methods for installing FTTH fiber towels when laying fiber (FTTH) to different networks. Different methods have different reliability, flexibility and laying costs for the network. The impact of this tutorial will be described in detail.

Optical fiber splicing

Optical fiber connection by hot or cold connection method to connect two optical fiber, the advantage is that the fiber connection point can be well protected, providing good optical performance, not because of physical damage or pollution caused by fiber loss. However, there are some drawbacks to fiber splicing, such as fiber splice points that need to be installed in fiber splice disks, which are typically used in optical network termination boxes, which increases the volume and cost of optical network termination cartridges to a certain extent. Fiber connection is divided into two kinds of fiber welding and mechanical connection, respectively, the following two details:

Fiber fusion splicing

Fiber fusion splicing is usually used in fiber optic cabling networks and must be achieved by fiber splicer. In the FTTH introduced fiber optic cable for fiber splicing, the use of fiber splicing machine after welding fiber loss to a minimum. However, before purchasing a fiber splicer, you must understand the following:

The price of fiber splicers is still very expensive. Fiber splicing machines usually require trained professionals to use fiber splicers that are time to consume and need to be preheated, aligned and other steps

 Fiber-fusion-splicing

Mechanical splicing

The mechanical splicing is achieved by means of a fiber optic quick connector or cold connector, which is convenient and quick to install. The key to the success of the mechanical splicing lies in the refractive index matching solution in the fiber optic quick connector or cold junction since the matching liquid will turn dry gradually, which would result in the fiber connection failure. According to the test, the mechanical splicing of the fiber can also be in the indoor/outdoor applications to achieve high transmission performance. If you choose to use a mechanical connection, please purchase a high-quality fiber optic quick connector or cold connector.

Fiber terminating

The fiber terminating terminates the connector at the end of the fiber, which is flexible and reusable. Compared with fiber splicing, fiber termination due to the use of connectors, the cost may be higher. In general, fiber termination can be divided into factory pre-terminated and field termination of two:

Fiber-terminating

Factory pre-terminated

The plant is pre-wired to the cable for high transmission performance, providing reliable connectivity, and saving installation time and labor cost. But its price is high, and the length of the cable has been pre-determined in the installation according to the specific application to select the appropriate length of the pre-connected into the cable.


Field termination

Field termination is that in the application site to FTTH introduction of the end of the cable connector. Similar to fiber splicing, the field termination can also be achieved by welding, except that the field termination of the solder joint in the fiber optic connector, without the need for additional installation on the fiber splice tray. In addition, field termination can also be achieved by the mechanical connection.

Conclusion

Choosing the right method to install FTTH Introducing fiber-optic cable can save time and cost of installation. Generally speaking, fiber-optic splicing is usually used in new buildings for FTTH to introduce cable installation applications.


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