How to use fiber optic quick connector cold splice?


The wide application of fiber-to-the-home (FTTH) has promoted the rise of fiber optic quick connectors/cold splices. This product has the characteristics of small size, fast termination, low loss and high stability, and is a must for fiber optic systems. An indispensable fiber optic connection device.


Fiber Quick Connector/Cold Splice

Fiber Quick Connector/Cold Splice is an innovative field-terminated connector that contains factory-installed fiber, pre-polished ceramic ferrules, and a mechanical splicing mechanism. The introduction of optical fibers or indoor optical fibers can be inserted into the mechanical splicing mechanism, without the need for other tools, and the termination process only takes about 2 minutes, which greatly saves installation time.


Fiber optic quick connectors/cold splices currently on the market can terminate single-mode and multi-mode fibers with diameters of 250 μm, 900 μm, 2.0 mm, and 3.0 mm. Optical fiber quick connectors/cold connectors can be directly used in corridors, home cables and other environments without redundant protection, and can basically reach the strength of the original line, reducing the wiring requirements, thus greatly improving the speed of FTTH fiber optic wiring, which is a complete An important guarantee for optical networks.


Internal structure of fiber optic quick connector/cold splice

The ferrule and end face inside the optical fiber quick connector/cold splicer are pre-ground and pre-polished before leaving the factory, and the mechanical splicing mechanism is located at the end of the ferrule to fix the inserted optical fiber. The mechanical splicing mechanism is mainly composed of a V-shaped groove and a clamping element; when the optical fiber needs to be inserted, the V-shaped groove is opened with a wedge-shaped clamp to facilitate the smooth insertion of the optical fiber. Remove the wedge clip.

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How Fiber Quick Connectors/Cold Splices Work

Optical fiber quick connectors/cold splices can be divided into two categories: pre-installed optical fibers and non-pre-installed optical fibers. The connection point of the pre-installed optical fiber quick connector/cold splicer is inside the connector, and the matching liquid is preset; the connection point of the non-prefabricated optical fiber quick connector/cold splicer is on the surface of the connector, and the matching liquid is not preset. Directly interface with the target fiber through the adapter. The working principle of the non-preset optical fiber quick connector/cold splicer is very simple and will not be repeated here.


Features and applications of fiber optic quick connectors/cold splices

Main features: good connection stability, low insertion loss, low cost of use, very fast installation speed and very simple installation and maintenance.


Main applications: optical fiber communication applications, fiber-to-the-home (FTTH) applications, cable television applications.


The steps of using optical fiber quick connector/cold connector


Although the use of fiber optic quick connectors/cold splices is very simple, it is still necessary to follow the correct steps during installation. In general, the installation process of fiber optic quick connectors/cold splices is as follows:


Step 1: Prepare fiber quick connectors/cold connectors, fiber strippers, fiber cleavers, fiber cleaning tools, etc.;


Step 2: Put the connector boot on the optical cable;


Step 3: Strip the outer sheath of the optical cable with an optical fiber stripper, clean the optical fiber, and then cut the bare fiber with an optical fiber cutter. The length of the bare fiber is reserved according to the specific situation;


Step 4: Insert the optical fiber into the optical fiber quick connector/cold connector;


Step 5: Press the cover to lock the fiber;


Step 6: Put the boot on the fiber optic quick connector/cold connector.


Fiber optic quick connectors/cold splices are highly susceptible to contamination and should be kept away from dusty, polluted areas.


The result of fiber cleavage has an important influence on the performance of fiber quick connector/cold splicer, it is best to use an automatic fiber cleaver to obtain the best cutting effect.


When inserting the optical fiber in the optical fiber quick connector/cold splice, it should be inserted slowly to prevent damage to the optical fiber, resulting in poor transmission performance of the optical fiber.


Do not remove the dust cover of the fiber optic quick connector/cold splicer until it is installed.


It is very important to choose a high quality fiber index matching solution, which will greatly extend the life of the fiber quick connector/cold splicer.


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