Emergency connection, also known as cold splicing, uses mechanical and chemical methods to fix and bond two fibers together. This method is quick and reliable, with typical attenuation ranging from 0. Active connection utilizes various fiber optic connectors (plugs and sockets) to connect site-to-site or site-to-cable. The components used for this kind of cold connection are. When installing a fiber optic network, connectors are required to connect both ends of the fiber optic cable. Advantages and disadvantages of fiber optic cold splicing Fiber cold splicing refers to. Optical fiber Lengjie is used for optical fiber butt optical fiber or optical fiber docking pigtail, which is equivalent to making a joint, (fiber docking pigtail refers to the butt joint between the optical fiber and the core of the pigtail, not the pigtail head mentioned by the former), used for. These two correspond to two optical fiber connection methods, optical fiber thermal fusion and quick connector connection, so what is the difference between them? 1. It is a device for detachable (movable).