While it does have some disadvantages, such as higher insertion loss and susceptibility to environmental factors, it can be a reliable and effective method of fiber optic connection when installed and maintained properly. Fiber optic cold connection, also known as mechanical splicing, is a widely used method of connecting optical fibers in a network. You face many choices when working with fiber optic networks. The type of connector you select can shape how well your network performs and how long it lasts. As a result, it has become a preferred medium for.