A fiber fast connector, also known as a mechanical splice or cold connector, is a field-installable connector that terminates fiber optic cables without requiring a fusion splicer. from -55°C to +135°C for the ultra-rugged Fischer UltiMate™ Series, but also customized solutions designed to reach much higher or lower temperatures for dedicated applications. Utilizing a. use cold son to achieve two pigtail pigtail fiber aftertwo dial. He operate more simple and rapid than welding machine, welding time. If you have any questions about the product, please feel free to contact with us at any time, we'll provide our best service to you and do our best to resolve the. There are three common types of fiber connectors: SC, ST (bayonet-twist) and LC (push-pull locking). Unfortunately, the standard LC connector does not provide.