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How to choose the type of splice

The choice between fusion or mechanical splices can be made according to different parameters,
including performance, reliability, and cost. In addition, installers can choose the type of splice with which they are most familiar or who already have the equipment to do it.

From the point of view of performance, fusion splices provide low losses and low reflectance, so they are preferred for single-mode networks. Fusion splices may not work well on some multimode
fibers, so mechanical splices are preferred for multimode connectors unless it is an underwater or aerial installation, where the security provided by fusion splices is preferred.

From the point of view of reliability, fusion splicing is the best choice. When done well and secured with a protective sleeve, the splice can last the same as the cable. Some studies have shown that mechanical splices are also durable, but they do not have the mechanical strength of fusion splices.

Fiber optic certified
If the cost is a problem, the choice will depend on the number of splices to be made. Fusion splices require expensive equipment but perform economical splices, while mechanical splices require economic equipment but the splice itself is more expensive. If you make many splices (for example in a large telecommunications or cable television network, where there can be thousands), the fusion splices will be cheaper. If you only need some splices or you are performing restoration and you do not have a fiber optic fuser available, mechanical splices are a logical choice.


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