A fiber optic pigtail is typically used for field termination with a mechanical or fusion splicer. When compared to field-installed rapid termination or epoxy and polish connections, pre-terminated optical pigtails with connectors save time while providing improved performance and. In the realm of fiber optic networks, both pigtails and splitters serve vital roles. Understanding their differences, applications, and functionalities is crucial for designing and maintaining efficient communication systems. What Is a. This comprehensive engineering whitepaper explores the critical architecture and deployment strategies surrounding the SC/UPC 1×16 Pigtail type fiber splitter. What: This passive optical component utilizes Planar Lightwave Circuit (PLC) technology to evenly divide a single incoming optical signal. A fiber optic pigtail is a type of fiber optic cable with only one end that has a factory-terminated connector and the other end exposed as bare fiber.